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Mark Dowdle Just Ran for 94 Straight Hours Without Sleep to Win the Last Soul Ultra

Written by 
Matteo Sargenti

Published on August 28, 2026

American ultrarunner Mark Dowdle won the 2026 Last Soul Ultra in Germany after 94 hourly loops and roughly 630 kilometres, beating Germany's Ello El Osrouti.

mark-dowdle-just-ran-for-94-straight-hours-without-sleep-las-soul-ultra
The Last Soul Ultra does not have a finish line in the usual sense.
It has a 4.17-mile loop, a bell that rings every hour on the hour, and one rule.
Complete the loop inside the hour, or you are out. The race ends only when a single runner remains.
This year that runner was Mark Dowdle, a 29-year-old American, and he stayed on the course for 94 straight hours.

What Actually Happened Near Düsseldorf

The 2026 Last Soul Ultra started on Friday, August 14, at a former military base in Germany.
169 athletes lined up. Four days later, only two were left running.
Dowdle was in a duel with 27-year-old Ayyoub "Ello" El Osrouti of Germany, who had also been the last runner-up at the inaugural 2025 edition of the race.
On the 94th yard, El Osrouti could not continue.
He walked most of the previous loop, tried to run once more, and finally lay down in a wheat field beside the course. Dowdle completed his final solo lap, the way backyard-format ultras always end, and became the Last Soul Standing.

The numbers behind the win

The official Ultramarathon Database record lists Dowdle at 94 completed yards, which works out to roughly 629.8 kilometres, or the equivalent of about 15 marathons back to back with no sleep.
For context, no backyard ultra on German soil had ever crossed the 90-yard mark before Sunday morning of this race.
Dowdle and El Osrouti crossed it together on the fourth night.
Last-Soul-Ultra.jpg

How Dowdle Almost Missed the Start Line

The story that has travelled the fastest is the one about his flights.
Dowdle had a work commitment on the Thursday before the Friday start, and his flights out of the United States fell apart.
According to reporting from BroBible and the race broadcast, a private jet was chartered to get him to Germany, and he arrived at the venue with about 15 minutes to spare before the first bell.
He had never been to Germany before.
His previous backyard best was 73 loops, set at Nick Bare's BPN Go One More ultra in Texas in April, where he beat Kim Gottwald and Harvey Lewis.
He beat that mark on Sunday night at Last Soul with days still to go.

Backyard-format ultras, explained

The backyard format was invented by Lazarus Lake, the same organiser behind the Barkley Marathons.
Every runner starts together at the top of the hour, covers the same 4.166-mile loop, and returns to base camp for whatever time is left in that hour.
Rest, eat, use the toilet, sleep for a few minutes if you can.
Then the bell rings again, and you go back out.
You do not have to run fast.
You have to keep coming back.
That is a very different problem from a road marathon, which is why we broke down why durability, not speed, is the real weapon in ultramarathons.

What This Race Says About Where Ultrarunning Is Going

The Last Soul Ultra started in 2025 as a niche event with a runner-turned-YouTuber named Kim Gottwald as its founder.
This year, its livestream pulled more than 100,000 concurrent viewers on YouTube on the final night.
That is a scale of audience nobody has associated with the backyard format before.
It also raises the sport's profile in a way that pulls in crossover athletes.
Dowdle himself did not come from endurance running.
He was a college football and lacrosse player in Illinois before switching disciplines.
That background is starting to look less like a curiosity in ultras and more like a pattern.

The mental piece

Ultrarunners talk about the first 24 hours of a backyard event as the hardest section, and Dowdle has said the same.
After the first day, in his framing, you have already rewritten the task in your brain.
The loop is now something you have already done many times, and the next one is just another instance of a thing you know you can complete.
That kind of framing is how Sally McRae kept going through hallucinations and eight hours of vomiting at a 200-mile race, and it shows up again and again in athletes who last at these distances.

The Wider Backyard Boom

Kenyan and Kalenjin dominance still defines the marathon.
But the endurance world beyond the marathon is being reshaped by athletes like Sophie Power, who broke the 48-hour treadmill world record, and Max Jolliffe, who ran the fastest Badwater 135 in history this summer.
The peaks in these formats are getting higher because more athletes are willing to attack them.
Dowdle's 94 yards is not the world record.
The all-time backyard world best now sits well past 100 loops.
But it is the deepest performance the format has seen on German soil, it happened live in front of a huge international audience, and it was won by a runner who was still moving well when his rival stopped.

The Question He Asked Himself Every Hour

Near the end, Dowdle posted a video from the course.
He said he and his crew had been asking one question over and over as he came back into base camp. Is the job finished?
Every hour, for four days, the answer was no. Then it was yes, and he sat down.
The Last Soul Ultra now moves into planning for 2027.
Whatever it does next, it has its first breakout champion, and he did it on 15 minutes' notice and no sleep.

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