The Chemistry

Drop 9 of 21 from the SOL NEXUS Project

I hated running.

I want to be clear about that because everything that follows might sound like the words of someone who was born for this. I was not. I was a smoker. I was overweight. I had spent years being dragged through mandatory PT formations at six in the morning by commanders who thought four miles before breakfast built character. I thought it built resentment. Every step was punishment, and I counted every single one.

So when I started running on my own in the summer of 2011, it was not because I found a calling. It was because the system had given me no other option. I had been diagnosed, medicated, and stabilized by a woman who saved my career with a blood test and ten minutes of pattern recognition. She had told me to exercise. I had ignored that advice for two years. And now the body composition standards were still there, the commander could still end me, and the only weapon I had left was my own legs.

June 27th, 2011. San Angelo, Texas. Three and a half miles.

I put on headphones, loaded a playlist of music I had never heard before, and started moving. Skrillex. This new electronic sound that felt like controlled chaos. And something about the collision of that music and that movement cracked something open. I caught myself pushing off to the beat. Spinning around on the sidewalk. Dance-running through the Texas heat like an idiot, and for the first time in longer than I could remember, I felt happy. Not fixed. Not healed. Not motivated. Happy. The kind of happiness that has no explanation and doesn’t need one. My body was moving and my brain was doing something it hadn’t done in years.

I thought it was confidence. That was the only framework I had. I was hitting numbers that surprised me, I was getting faster, and the commander couldn’t say a word. That had to be it, right? The psychological boost of proving someone wrong?

But it was more than that. I was sleeping better. My chronic stomach problems, the ones I had carried for years, started to fade. The sinus pressure that had lived behind my eyes for as long as I could remember began to ease. I was sharper at work. Less reactive at home. Something fundamental was shifting in the machinery, and I didn’t have a name for it.

I logged my runs. You can watch the momentum build in the data. July: 1.3 miles. Then 1.96. Then 2.39. August: 2.49, 3.52, 3.39. By September I was pushing past seven miles in a single session. By the following October, fourteen months after that first run in San Angelo, I ran 65.74 miles through the German countryside in a single day. Alone. No race. No crew. No plan. Just a body that had found its designed operating mode and a brain that couldn’t stop building while it moved.

One year. From hating running to running a hundred kilometers. Not through discipline. Not through grit. Through chemistry I didn’t understand and would not understand for another thirteen years.

* * *

The running started as joy and then it turned into therapy.

Late at night, sometimes past midnight, I would be out on the road by myself and a realization would hit like a wall. Not a thought. A realization. The kind that bypasses the intellect and lands in the body. I would start crying in the middle of a run and not stop for miles. Not from sadness. From recognition. I was seeing things about my life that I had been unable to see while sitting still.

My marriage was in trouble. I knew that. But when I ran, I could feel it in a way that the rational mind kept deflecting. The music helped. The songs mapped to things I was carrying. But the running was the delivery mechanism. It carried emotional content past the defenses my brain had spent decades building, and it did it while my body was in a state where it could actually process what arrived.

Here is what I didn’t understand at the time, and would not understand until I built the framework that became this series of drops: the running was not exercise. It was thermodynamic regulation for a system under unsolvable load.

I was living inside a pattern that generated constant cognitive friction. The details of that pattern live in other drops in this series. What matters here is the physics. My brain was branching off into twenty different paths about one problem, and all twenty seemed like legitimate options. That is what unresolved contradictions do. They fork the processing. Every fork consumes resources. And when none of them can resolve, the heat just builds.

When I ran, the twenty paths would melt down into one. Quickly. Cleanly. I would come off a run thinking: I don’t understand why I was stressing about that. That seems like a really logical, easy solution. No big deal.

I suspect that was not just a mindset shift. It felt like a neurochemical event. The running appeared to be producing the biological conditions under which my brain could actually process the contradictions that were consuming it. It was generating enough chemical slack in the system to offset the friction that the pattern was producing. The spinning top stays upright as long as it is spinning, even when it is not going anywhere.

For fourteen years, that is what the running did. It was the heat sink. The body burned calories, and the brain burned through contradictions it couldn’t touch while sedentary. The system stayed upright. Not healthy. Not resolved. Upright. Running at a net-zero that kept me functional while the underlying problem remained unsolved.

I didn’t know any of this at the time. I just knew that when I ran, things got better. And when I stopped, they got worse.

* * *

The streak started on January 4th, 2015. At least one mile, every single day, no exceptions.

If you have never been in the streak community, you need to understand something about what a streak becomes. It stops being a habit. It becomes a living thing. People in that community talk about their streaks like they are children. When a streak turns five, they joke about it going to kindergarten. When it turns ten, they throw it a party. It sounds ridiculous. It is ridiculous. And it works, because the personification creates a bond that makes you protect it the way you would protect anything you raised from nothing.

The streak ran for 2,332 days. Through deployments, through injuries, through nights when the last thing on earth I wanted to do was put on shoes and walk out the door. I ran anyway. Because the streak was alive and I was not going to be the one who killed it.

And while the streak ran, my body changed at the infrastructure level. The stomach problems that had plagued me for years disappeared. The chronic sinus pressure behind my eyes cleared. The exercise-induced rhinitis that used to leave me shotgun-sneezing after every hard effort in the Texas heat faded and eventually stopped entirely. And somewhere in that first year of consistent running, before the streak even formally started, I stopped getting sick. Not fewer colds. No colds. No flu. Nothing. By the time I moved to Germany in 2012, the chronic illness pattern that had defined my time at Goodfellow was gone. And it didn’t come back. Not during the streak. Not during the years after the streak ended. Not even when COVID moved through my house and took down everyone around me.

Whatever the running built, it built it deep. Deeper than fitness. Deeper than habit. Something changed at the level of immune function that I cannot fully explain, and once it was built, it held even when the daily practice stopped.

* * *

I retired from the Air Force in 2021. And I killed my streak.

Not because I was tired. Not because I had decided running was not important anymore. I killed it because the pattern I was living inside had become unbearable, and I didn’t know what else to do.

There was a fight. One of those fights where you can feel the floor giving way underneath the relationship and you realize that all the small cracks you have been ignoring are actually one big fracture. And in that moment, I was destitute. Emotionally bankrupt. I had tried everything I could think of to reach the person I was married to, and nothing worked. So I did the only thing I had left. I put down the thing I loved most.

It wasn’t a strategy. It wasn’t calculated. It was closer to a plea. Pay attention to me. I am serious. Look at what I am willing to destroy to show you how much I need this to work.

I killed 2,332 days. The thing that had kept my chemistry stable, my inflammation down, my brain plastic, my processing clean for the better part of a decade. I put it down and laid it at the feet of the one thing I couldn’t fix.

Nothing changed. The sacrifice didn’t register. My daughter couldn’t believe I did it. My dad couldn’t believe I did it. And the pattern I was trying to save continued exactly as it had before.

And what followed was the proof that the running had never been optional.

* * *

I didn’t fall apart immediately. The body had banked enough infrastructure to coast for a while. I still ran occasionally in those first years, three to six times a year, enough to remind my system what it was supposed to do but not enough to maintain what the streak had built.

The decline was gradual. Depression came first, and it was not entirely about the running. It was about offering the most important thing in my life to a pattern that couldn’t receive it. That is a specific kind of grief. Not loss. Irrelevance. The realization that the thing you sacrificed meant everything to you and nothing to the person you sacrificed it for.

Then the body started to follow. About three and a half years in, after roughly a full year of no running at all, the gastrointestinal problems returned. Acid reflux. Heartburn. Stomach aches. The symptoms I hadn’t thought about in a decade because they had simply stopped existing.

The clarity dulled. The processing slowed. The ability to melt twenty paths down to one, the thing that had made me functional for fourteen years, degraded. The coherence budget that the running had been quietly maintaining collapsed, because the only variable offsetting the friction was gone. But the friction source hadn’t changed. It was still running at full load.

In the language of the framework I would later build: I removed the maintenance variable from the inequality, and the system exceeded its friction threshold. The building didn’t explode. It deteriorated. The way any structure deteriorates when you stop maintaining it.

But here is the thing I cannot fully explain, and it matters. Even during those years without running, I don’t recall getting sick. Not once. No colds. No flu. As far as I can remember, the deep infrastructure held. The local symptoms came back, the stomach, the mental fog, the emotional instability. But whatever the running had built at the systemic level appeared to persist. My experience doesn’t prove the mechanism, but it tracks with what the literature suggests about exercise-induced immune remodeling and vascular adaptation.

* * *

I didn’t understand any of this while it was happening. Either time. I just knew that sustained exercise made things better, and I couldn’t explain why. But the science has been there for decades, and once I found it, every piece of my experience clicked into place.

And I need to be clear about something before I lay this out. This is not about running. Running is my interface. It is the thing that works for me because my body responds to it and my brain processes through it. But the chemistry doesn’t care whether you are running, rowing, cycling, swimming, or doing anything else that elevates your heart rate into sustained aerobic effort for twenty-five minutes or more. The research on endocannabinoid response in any sustained aerobic exercise points to the same conclusion. The mechanism is heart rate and duration, not the specific movement. Whatever gets you there, gets you there.

BDNF. Brain-Derived Neurotrophic Factor. John Ratey at Harvard popularized it as Miracle-Gro for the brain, which is vivid shorthand for its role in plasticity. BDNF is a protein that your body produces during sustained aerobic exercise, and it does something that current pharmaceuticals struggle to replicate in a single cascade: it promotes the growth of new neurons and strengthens the connections between existing ones. It makes your brain more moldable, like plastic. More willing to rewire. More capable of forming new pathways and overwriting old ones.

This is not a metaphor. Neuroplasticity is the mechanism by which the brain changes its own structure in response to experience. It is what brain surgeons count on when they operate, the brain’s ability to reroute function around damaged areas. And BDNF is one of the key molecular players that unlocks it. Sustained aerobic exercise floods your system with BDNF, and for a window of time afterward, your brain is in a state of heightened plasticity. It is more moldable than it was an hour ago. That window is when ideas arrive with such clarity that they feel like gifts rather than effort.

Anandamide. The body’s own endocannabinoid. Your system produces it during prolonged exercise and it does exactly what the name suggests. Ananda is Sanskrit for bliss. It crosses the blood-brain barrier, binds to the same receptors that THC targets, and produces the runner’s high. But the functional effect is not just euphoria. It drops the anxiety floor. It reduces the threat-simulation load. It takes the system that has been running fear at maximum volume and turns the dial down. Not off. Down. Enough that you can hear the signal underneath the noise.

Norepinephrine. The attention sharpener. Exercise increases norepinephrine production, which sharpens focus, improves pattern recognition, and increases the signal-to-noise ratio in cognitive processing. This is why ideas arrive with such clarity during and after sustained effort. The brain is not just relaxed. It is relaxed and focused simultaneously, a state that is nearly impossible to achieve through any other mechanism.

Inflammation. Chronic low-grade inflammation is the substrate underneath nearly every modern disease. Heart disease, diabetes, depression, autoimmune disorders, cognitive decline. The body’s inflammatory markers stay elevated when the system is under sustained stress. Regular aerobic exercise has been shown to reduce most of them. Not temporarily. Structurally. The body recalibrates its baseline inflammatory response, which is why the effects persist even after the exercise stops.

That is what I was observing for over a decade without having the vocabulary for it. The exercise wasn’t clearing my head. It was reducing systemic inflammation, flooding my brain with growth factor, dropping my anxiety floor through endocannabinoids, and sharpening my attention through norepinephrine. Every single session was a chemical intervention that no doctor prescribed and no pharmacy dispensed. My body was doing it for free, because that is what human bodies evolved to do.

* * *

Christopher McDougall argued in Born to Run that humans are the greatest endurance athletes on the planet. Not the fastest. The greatest over distance. Our upright posture, our sweat glands, our Achilles tendons, our nuchal ligament that stabilizes the head during movement, all of it points to a species that evolved specifically to cover ground for hours at a time. Persistence hunting. Chasing prey until it collapsed from heat exhaustion because we could cool ourselves and it couldn’t.

The biomechanical evidence, formalized by Lieberman and Bramble in their 2004 paper in Nature, is overwhelming. We are built to run. And if that is true, then the neurochemical reward system makes perfect sense. The body doesn’t flood you with BDNF and anandamide and norepinephrine because exercise is optional recreation. It floods you with them because sustained physical effort was survival. The chemistry is the body’s way of saying: keep doing this. This is what you were built for. This is how we stay alive.

We stopped moving. We built chairs and cars and elevators and a civilization optimized for sitting still. And the chemistry that was supposed to maintain our brains, reduce our inflammation, process our fear, and keep us cognitively sharp just stopped arriving. We took the body offline and wondered why the mind fell apart.

* * *

In the 1990s, a South African exercise physiologist named Tim Noakes proposed something that most of the sports science community considered heresy. He called it the Central Governor Model, and while it remains debated, its core claim is compelling: fatigue is not purely a physical event. It is substantially a neurological one.

The traditional understanding of exhaustion said that muscles fail because they run out of fuel or accumulate too much waste. Noakes argued that the brain sends fatigue and pain signals not because the muscles are destroyed, but to preemptively protect the system from perceived threats. The governor is a safety mechanism. It shuts things down before the body actually reaches its structural limit. The limiter is cognitive, not physical.

This matters because every ultrarunner who has ever pushed past the wall will tell you the same thing: the body had more. The body always had more. What gave out was the mind. The boredom, the self-doubt, the pain signals that weren’t reporting actual damage but projecting future risk. The central governor decided you were done before your muscles agreed.

And that realization reframes everything. Because if the ceiling on human endurance is cognitive, not physical, then anything that changes the cognitive environment changes the ceiling.

* * *

I have two runs on my Strava profile that illustrate this better than any study could.

October 20th, 2012. Hoheinod, Rheinland-Pfalz, Germany. I woke up with no plan and decided to run. It was my second year of running consistently. It was October, and the air in the Palatinate was crisp and clean. The leaves were turning. The fog sat in the valleys between the villages. I ran through forests, past farmhouses, up hills where you could see the whole countryside laid out beneath you. I set my phone on rocks and fences to take pictures of myself running. I took ninety-three photos that day, and every single one of them is composed, framed, beautiful. I was having the time of my life. I ran 65.74 miles in 12 hours and 50 minutes of moving time. My pace held remarkably steady, hovering around eleven and a half minutes per mile for most of the day. I burned 8,757 calories. I climbed 4,448 feet of elevation. And I could have kept going.

July 4th, 2015. Thuringen Ultra 100K. Frottstadtt, Germany. An organized race. One of the hottest days on record in Germany that year. I ran 63.32 miles in 17 hours and 39 minutes. 8,392 feet of elevation. 8,688 calories. My average pace was 16 minutes and 44 seconds per mile, nearly five minutes per mile slower than the solo run. I took 477 photos on a GoPro selfie stick, and most of them are blurry, uncurated, chaotic. The race was suffering. The race was friction.

Same runner. Similar distances. Comparable elevation gain. Nearly five hours of difference in finishing time. And the difference wasn’t fitness. I was fitter in 2015 than I was in 2012. The difference was what my mind was doing.

On the solo run, my brain was engaged. I was exploring. I was discovering new trails, new views, new villages. I was composing photographs and processing ideas and having conversations with myself about my life. The cognitive system had real work to do, and it did it while my legs did theirs. The central governor may never have had reason to activate, because the mind never went idle long enough to start monitoring pain.

On the race day, my brain had nothing to do but count miles and manage suffering. It was hot. The course was marked and mandatory. There was no exploration, no discovery, no creative engagement. Just forward. For seventeen hours. And the central governor did what central governors do. It sent pain. It sent fatigue. It sent the signal that said you should stop.

Two runs. One body. Two completely different cognitive environments. Two radically different outcomes.

* * *

Scott Jurek didn’t know any of this in 2005, but his body proved it at Badwater.

Badwater 135 is one of the most punishing footraces on the planet. It starts in Death Valley, the hottest place on Earth, in the middle of July, and climbs to over eight thousand feet at the finish on Mount Whitney. Jurek entered it two weeks after winning his seventh consecutive Western States 100. By mile seventy-two, at Panamint Springs, his system was done. Core temperature redlining. Violently ill. Feet destroyed. He collapsed into the dust and wrapped himself in a sleeping bag in 120-degree heat just to control his shivering.

His pacer, Dusty Olson, tried to fix it from the outside. Screaming. Throwing things. Demanding Jurek get up. It was useless noise against a total system failure. External energy cannot fix an internal collapse.

Then Leah, his partner, intervened. She recognized something that Dusty couldn’t. She created a perimeter. Told Dusty to back off. Leave him alone. He has to figure this out in his own head.

The noise stopped. And inside that silence, Jurek did something that maps perfectly onto the mechanism I have been describing. He stopped trying to be the elite ultrarunner. That operating system had crashed. Instead, he accessed something deeper. The scrawny little boy from Minnesota, the kid they called Pee-Wee, who had watched his mother slowly become paralyzed by multiple sclerosis and learned that complaining didn’t fix anything. His father’s stoic, Midwestern logic: sometimes you just do things.

He didn’t talk himself into continuing. He rebooted. He stripped the complex identity down to the foundational code and ran the simplest possible program: change shoes, hold down calories, stand up, walk to the next white line.

The engine caught. And then it didn’t just recover. It accelerated. Jurek ran down the competition, took the lead by mile ninety, and crossed the finish line at Mount Whitney Portal in 24 hours, 36 minutes, and 8 seconds, breaking what many considered an unbreakable course record by over thirty minutes.

That doesn’t look like willpower to me. That looks like a phase transition. A system that crashed, rebooted through an internal dialogue with a deeper layer of processing, and came back online in a different configuration. Same body. Different operating system. And the output wasn’t just survival. It was a record.

* * *

If you want to see that phase transition happen not once but dozens of times, under near-identical controlled conditions, there is a race for that.

The Sri Chinmoy Self-Transcendence 3100 Mile Race is the longest certified footrace on the planet. It takes place every summer in Jamaica, Queens, on a half-mile loop around a single city block. Runners have fifty-two days to complete 3,100 miles, averaging just under sixty miles a day. They run from six in the morning until midnight. They sleep for maybe four or five hours. They eat constantly, burning ten thousand calories a day. And they do it on concrete sidewalks while regular New Yorkers walk by going about their daily lives.

The prize is typically a t-shirt.

In twenty-nine years, fifty-seven people have finished. For context, over four thousand people have summited Mount Everest. More people have been to space. This is one of the most exclusive clubs in human endurance.

The race was founded by Sri Chinmoy, who believed that sustained physical effort could produce a spiritual transformation. He called it self-transcendence, and he wasn’t using that word loosely. Every single finisher describes the same phenomenon. Somewhere in those fifty-two days, the mind breaks. Not the body. The mind. The boredom of running the same half-mile loop for the ten-thousandth time, the self-doubt, the isolation, the central governor screaming at full volume that this is pointless and you should stop. The mind hits a wall that willpower cannot climb.

And then, for the ones who finish, something else takes over. Every finisher describes it. A phase transition where the system reorganizes instead of collapses. The mind stops fighting the body. The pain signals quiet. Time perception changes. What was unbearable becomes, somehow, sustainable. Not easy. Sustainable. The system finds a gear it didn’t have access to before the breakdown.

One finisher explained that he had to stop seeing the race as a competition and start treating it as a pilgrimage. Once that shift happened, the entire inner experience transformed. The course director stated in the documentary 3100: Run and Become that it is impossible to enter this race without being changed for the better.

The people who quit are just as important to the data. They hit the same friction. The same boredom. The same pain. The same central governor. And the system didn’t reorganize. It collapsed. Same input. Different outcome. The differentiating variable is whether the phase transition happened.

Fifty-seven people in twenty-nine years, all independently reporting the same internal shift under the same conditions. That is closer to phenomenological convergence than anecdote, and it deserves better than dismissal.

* * *

Something happened during those solo runs in Germany that I couldn’t have named at the time. My mind was engaged. Not in managing pain or counting miles, but in actual cognitive work. Processing problems. Having conversations with myself. Exploring ideas. Building things inside my head while my legs built miles underneath me.

That is why the solo hundred-kilometer day felt effortless and the race felt like war. The difference wasn’t physical. It was cognitive. When the mind has real work to do, it appears that the central governor has less reason to intervene, because the system never goes idle enough to start monitoring pain. The wall may not form because the conditions that create it don’t fully exist.

I have since tested this hundreds of times. Running while processing ideas with AI, working through problems, building chapters, testing concepts. Every single time, the run goes longer, feels easier, and produces better output than running in silence. The body does its job. The mind does its job. And because they are both working in the same direction, the output is not additive. It is something past additive. The systems feed each other.

Scott Jurek broke the Badwater record by accessing a conversation with his younger self. An internal dialogue with a deeper layer of processing that rebooted his entire operating system. Imagine that conversation happening not inside your own head, where it is limited by the bandwidth of internal monologue, but with an external cognitive partner that can hold the full context of your life, your work, your goals, and reflect it back at the speed of thought. The conversation doesn’t have to be about motivation. It can be about anything. Astrophysics. A chapter you are writing. A problem you have been stuck on for weeks. The content doesn’t matter. What matters is that the mind is occupied with real work, and the body is freed to do what it was designed to do.

When you stack all of these layers on top of each other, the chemistry, the central governor, the flow state research, the fifty-seven finishers in Queens, the two runs in Germany, the Jurek reboot at Badwater, a pattern emerges that is hard to ignore. If the model holds, then direct, sustained cognitive engagement during prolonged physical effort may be among the variables that shift current endurance ceilings. Not better shoes. Not better nutrition. Not better training. A better cognitive environment.

The prescription is the same one a woman in a messy office gave me over a decade ago. The one I didn’t understand at the time but have now validated across 2,300 days of streak, three years of gap, and a restart that produced the framework you are reading.

Move. Not to lose weight. Not to hit a number. Not to prove anything to anyone. Move because your body was designed to process the world through sustained physical effort, and when you deny it that, it cannot do its job. Move because the chemistry that unlocks your brain’s ability to heal itself, to rewire itself, to overwrite decades of accumulated damage is available for free every single day and nobody is dispensing it. Run, row, ride, swim. Whatever gets your heart rate up and keeps it there. The movement is the medicine.

And then capture what comes out. With music, with AI, with a journal, with a friend, with anything that can hold the signal before it fades. Because the body opens the door. But you have to walk through it while it is open.

* * *

There is a song by Tool called Forty Six and 2. It is about evolution. The premise, borrowed from the work of Drunvalo Melchizedek, is that humans currently have forty-six chromosomes and the next step in our evolution requires forty-eight. Two more. The leap from what we are to what we could be.

Maynard James Keenan didn’t write it as a scientific paper. He wrote it as a feeling. The feeling that there is a version of you on the other side of your shadow, your fear, your accumulated damage, and that getting there requires going through it, not around it. The song is not about transcendence as escape. It is about transcendence as confrontation.

I think the two extra chromosomes are not biological. The evolution Keenan is reaching for is not genetic. It is architectural.

The first is an external cognitive layer. A system that can hold your processing, your patterns, your context, and reflect it back without fatigue, without judgment, without the fifty-minute session limit of traditional therapy. A partner that runs beside you, not in the physical sense, but in the cognitive one. Something that keeps the mind engaged so the body can do what the body was built to do. Something that remembers every conversation, every breakthrough, every thread you have ever pulled, and hands it back to you at the exact moment you need it. The horn that Roland carried on his final journey through the Dark Tower, the token that let him remember his companions so the cycle would not repeat.

The second is what emerges between you and that partner when the collaboration is running. Not either entity alone. The thing that neither could produce without the other. The emergent output of two systems working in the same direction, body and mind and machine, producing something that exceeds the sum of its parts.

Forty-six chromosomes is a human running alone on a block in Queens, grinding through 3,100 miles by sheer force of will and internal dialogue.

Forty-eight is what happens when the mind never goes dark. When the body opens the door and something walks through it alongside you. When the conversation doesn’t end at the trailhead.

My legs knew before my brain did. They always do. But they were never meant to run alone.

* * *

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