What does it take to set the fastest known time (FKT) on a 500 mile trail that extends across the state of Colorado through unforgiving high altitude terrain of equal parts beauty and harshness?
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Ultrarunner, endurance coach, and 2022 World's Toughest Mudder champion, DJ Fox wanted to find out.
So he planned the perfect route and organized a crew to go the distance.
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🏃♂️Here's what happened...
The Colorado Trail journeys eastward from the southwestern mountain town of Durango to the north eastern part of Colorado’s bustling capital city, Denver.
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📌According to coloradotrail.org:
📈Elevation Gain
As one would expect, there are plenty of mountains to climb in Colorado, and the Colorado Trail takes users right up and over some of the highest of them.
📍There are four recognized variations for the Colorado Trail route:
With the dream realized, DJ started planning immediately.
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If he was to successfully take the FKT, the logistics needed to be perfect:
He left no stone unturned. But even with the closest attention to detail, DJ was well aware that planning would only take him so far.
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Five hundreds miles is a long way to run, and there are bound to be challenges along the way.
🚎The Crew with Nick’s Van:🚐
🏃♂️The Pacers:🏃♀️
DJ launched from Durango on September 24th accompanied by his first pacer, Meredith Edwards.
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Throughout that first day, DJ picked up pacers Will Mitchell and Miguel Medina who ran with DJ to Molas Pass– 75 miles from the starting point.
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“The first day was perfect. Super relaxed,” says DJ.
By the time the crew had him ready to leave Molas, DJ learned his first lesson from the trail: Wait for sleep to find you.
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“I didn’t sleep for the first 48 hours entirely,” says DJ.
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“I would’ve been better off trying to move through it and sleep when needed.”
“Day two went sideways immediately,” says DJ.
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❌It was when he experienced the first major hitch in the plan.
👊Even amidst the jarring disruption to the original pacer plan, DJ had a chance to simultaneously celebrate and acknowledge the gargantuan trek he was embarking on.
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“I had a really cool moment here, realizing that I had reached my personal record in regards to the furthest distance I had ever run before. 105 miles," says DJ.
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"Every step here on out would be a new PR. But as is the nature of ultrarunning, the highs are high, and the lows are inevitable."
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🦶A new obstacle presented itself later when DJ’s tibialis anterior flared with pain.
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“It hurt to pick my left foot up off the ground…I couldn’t rotate my ankle at all.”
🏃♂️At the time, DJ thought to himself:
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"'I’ll at least hobble my way to the next section and we’ll figure it out from there.”
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Upon reaching Spring Creek, DJ was unable to move his left foot.
The next morning, DJ woke up still unable to move his left foot.
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The first doubtful thoughts crept in. With his emotions high, the crew came together:
So, DJ started playing some mind games with himself:
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"'You can quit at the next stop’ is what I told myself. ‘Next’ never really arrives.”
...due to the ankle/foot issues and they moved much slower than planned.
With Nick and Sam pacing DJ for most of the day, they handed the baton to Will once nighttime fell.
After a few hours of sleep, DJ woke up with a nasty cough and some mucus starting to develop in his lungs and his ankle/foot were still quite painful.
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With his pacer, Robyn Lesh, DJ made his way across a beautiful 20-mile section towards Sargent’s Mesa where Nick would take over pacing duties.
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It was this day when things seemed to take a turn for the better, DJ recalls:
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“I was aware that we were slowing down a bit due mostly to my ankle at this point, but Nick really got me motivated to try and pick up the pace regardless," says DJ.
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"We started to push through the discomfort just a bit more and the pain actually started to fade away."
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"I remember getting into an aid station and saying something along the lines of, ‘my body is starting to cooperate.’ My mind had no intention of quitting so maybe my foot finally got the message?”
DJ woke again with phlegm and mucus filling his lungs. He spent the early parts of day 5 clearing everything out.
DJ remarked on how fresh his legs felt, yet how heavy his lungs were becoming.
On the final 11 mile section of day 5, as DJ and Sam trekked along, DJ experienced a coughing fit in the middle of the trail.
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And there it was…blood.
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DJ discounted it as merely a bloody nose and kept moving. The FKT was still in sight.
After another morning of clearing his lungs of phlegm, DJ got moving with Nick.
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After a few miles, he started to feel a familiar sensation in his knee–ITBS (IT band syndrome).
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Luckily, they were able to give the crew an update on DJ’s IT band issue before meeting at the next planned junction.
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This was the point at which DJ noticed a change in his crew, as they had assembled a pit stop worthy of Formula 1..
After 300 miles and more than 5 days on the trail, they were a well-oiled machine.
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DJ explains the scene:
After the crew finished with DJ...
“Marshall paced it perfectly," says DJ.
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"I just got behind him, clung to his heels, and got to the top of the pass where it was extremely cold and windy."
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"After a quick and flowy descent (again, my legs felt great. It was hard for me to believe how well I could still run at this point), I realized that I was wet from sweating. This became an obvious mistake very fast as I started to get cold quickly.”
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Luckily, the crew wasn’t too far away...
As DJ prepared for the home stretch of this FKT, he cleared his lungs using steam, but this time everything was tinted red with blood.
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Nervous, yet determined to continue chasing the record, DJ departed Copper Mountain with Sam and Shane.
On the first climb of the day, DJ couldn’t catch his breath.
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“It started to affect me mentally…during the downhill I had my first real low of the effort. First real low during an event of my athletic career so far actually,” says DJ.
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He felt terrible.
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Asking for the pulse oximeter, DJ checked his metrics...
The crew rallied DJ’s spirits and turned him loose with pacers, Sam and Nick.
After another quick pit stop John Crawford, Nick, and Shane hiked with DJ for the next section.
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“This one was an absolute grind,” says DJ.
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“I was really starting to break down now. I could only keep a good hiking pace for short periods of time before I started to lose my breath and was forced into a much slower walk."
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"I tried every mind trick in the book to convince myself that I could keep pushing. It got me to the next aid stop.”
The crew met DJ at Kenosha Pass. Will picked up pacing duties, but as they pushed forward...
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DJ realized that pushing his body to keep up with record pace was starting to feel dangerous.
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Every inhale was accompanied by a wheeze, and with every exhale, an unnerving rumble.
Still on pace for the FKT, DJ had to make an impossible decision...
As DJ sat waiting for his ride to the hospital, he cried, shivering from the cold.
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His pacer, Will, layered DJ up in everything they had available trying to keep DJ warm until the ambulance arrived.
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Sitting, finally giving his body the permission to stop after refusing its demands for so long, DJ felt his lungs filling with fluid, and fast.
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Once he arrived at the hospital...
“At the end of the day I'm grateful for everything," says DJ.
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"I'm grateful for everyone who helped me along the way, especially the crew and pacers who started with me in Durango and took an entire week of their lives to help me chase my dreams. I'm grateful for...
DJ plans to reattempt the Colorado Trail FKT in 2024.
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He knows that this year’s experience taught himself and the crew many valuable lessons that will translate to a fresh and faster Colorado Trail FKT attempt.
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“I think we can really do something special out on that trail…hopefully next time I just don’t get sick!”
DJ: There are modifications I need to make in my training that will help me handle the demands of the trail better.
DJ: Justin and Dolan had tons of pacing and crewing experience. They pace runners at the Leadville 100 every year.
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Justin was the first person who was able to pace me from the front.
Dolan helped the crew organize the pacer bag and prioritize what needed to be in the bag, making it much lighter.
DJ: Spending so much time at altitude (10,000'+) was a major success.
DJ: It's hard to beat the beginning section going through the San Juans.
DJ: I think that most of it comes from the daily commitment to the singular goal.
DJ: I don't know if I really have a specific strategy to deal with failure. I just know it's going to come around and I'm not afraid of it.
Choosing this as my event left me vulnerable, but it also helped me grow as an athlete more than anything I've done so far.
There are more wins than losses within our failures if we really evaluate the situation.
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I have failed over and over again in this sport, but I still believe that I can do incredible things if I dedicate myself to it.
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My failures have pushed me further and harder than any success I have ever experienced.
We Want to Give it to You!