A 34-year-old ultrarunner just did something that has never been done before at one of the most brutal endurance races on the planet.
Rachel Entrekin didn’t just win the women’s division of the Cocodona 250 — she beat every single competitor, male and female, to claim the outright overall victory.
And she did it on a grand total of 19 minutes of sleep.
Here’s everything you need to know about the historic run that’s got the endurance world talking.
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What Is the Cocodona 250 — and Why Is It So Brutal?
Despite the name, the Cocodona 250 actually covers a punishing 253-mile course winding through the Arizona desert.
It’s not just the distance that destroys competitors. Runners must climb a staggering 38,791 feet of elevation gain, reaching a high point of 9,241 feet — all while battling intense desert conditions that would sideline most people within hours.
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It is widely regarded as one of the toughest ultramarathons anywhere in the world. Finishing it is an achievement in itself.
Winning it outright? That’s something else entirely.
A Record-Shattering Performance No One Saw Coming
Entrekin crossed the finish line on Wednesday in a time of 56 hours, 9 minutes, and 48 seconds — obliterating the previous overall course record of 58:47:18.
Her own personal best from last year was 63:50:55. She didn’t just improve on it — she shaved off more than seven hours.
The emotional weight of the moment hit her hard the instant she reached the final stretch.
I think I basically wept from the second I got off the single track until I crossed the finish line.
Given what her body had just been through, those tears make complete sense.
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Nineteen Minutes of Sleep Across 250-Plus Miles
Here’s where the story gets truly extraordinary. While most people can’t function without a full night’s rest, Entrekin powered through one of the world’s hardest races on almost no sleep at all.
Her entire rest strategy? Three short naps.
I slept five minutes, then seven minutes, then seven minutes. My goal was to only have dirt naps.
That’s 19 minutes total — barely enough time to watch a TV sitcom — spread across a race that took well over two days to complete.
According to Canadian Trail Running, she also took a moment mid-race to stop and pet some dogs along the route. Because apparently, even history-making ultrarunners have priorities.
The Team Behind the Triumph
Entrekin didn’t conquer the Arizona desert alone. A support crew of six people had her back throughout the entire race — and among them were her parents.
Having family on the ground during a 56-hour sufferfest is the kind of detail that adds real heart to an already remarkable story.
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From the Sidelines to a Doctorate — Her Unlikely Journey
What makes Entrekin’s rise even more compelling is where she started. Growing up, she avoided team sports entirely, convinced she simply wasn’t good enough to compete.
That changed in 2012 when she picked up running seriously while studying exercise science at college. She went on to earn her doctorate in 2016 — channeling the same discipline she’d bring to the trails into her academic career.
Her motivation for pushing her body to its absolute limits? It’s refreshingly simple.
Why put my body and mind through such stressful exercise you may ask? Because it’s fun and you get to explore so much stuff while you’re in these races as the biggest hook for me is I see lots of the world in a short time frame.
Fun. She called it fun.
A Shadow Over the Race — and a Community That Carried On
Entrekin’s victory unfolded against a deeply emotional backdrop. On Tuesday — just one day before she crossed the finish line — a runner died following a medical emergency on the course.
Race organizers made the difficult decision to continue, asking all athletes and their support crews “to carry the memory of this runner with you on the trail.”
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The ultrarunning community is a tight-knit one, and that tragedy cast a profound shadow over what was otherwise a landmark day for the sport.
Entrekin’s win is historic by every measure. But it exists alongside that grief — a reminder that these races demand everything, and that the community running them looks out for one another every step of the way.
