Alex McCormack breaks the world record for distance in 7 days with 3.826 km
Briton Alex McCormack has covered 3.826,47 kilometers in seven days and has broken the world record for distance by bicycle in a week, in a challenge held in Germany and pending official ratification by the WUCA.
The ultra-distance rider from the Canyon x DT Swiss All-Terrain Racing team completed his attempt on April 2nd on a repeated 150-kilometer route along the Moselle River, averaging close to 18,5 hours a day on the bike.
A record of endurance surpassing the 2026 Tour de France
The final figure of 3.826,47 km It allows you to quickly gauge the magnitude of the effort. McCormack covered in a single week a distance greater than the entire course of the Tour de France 2026, set at 3.333 kilometers.
The previous seven-day distance record was 3.813,81 kmTherefore, the Briton would have improved it in 12,66 kmFor now, the registration is still awaiting final validation. World UltraCycling Association (WUCA).
This was Alex McCormack's challenge
The attempt took place in the vicinity of Koblenz, Germanyvery close to Canyon's headquarters. McCormack repeated a flat out-and-back route all week alongside the Moselle River, a formula designed to reduce variables and maintain the pace for as long as possible.
The demands were extreme. On several days he approached or exceeded twenty hours of accumulated effort, and on the final day he completed the decisive block to secure the record. He only finished that seventh day. 727,75 km, a figure that sums up the scale of the challenge.
McCormack's Daily Distance
| Daytime | Distance |
| 1 | 457,78 km |
| 2 | 602,00 km |
| 3 | 457,90 km |
| 4 | 451,92 km |
| 5 | 524,89 km |
| 6 | 604,90 km |
| 7 | 727,75 km |
| — | — |
| TOTAL | 3.827,14 km |
Cold, little rest and 14.000 calories a day
Beyond the final result, the context better explains the level of the challenge. According to information released by Canyon, McCormack had to manage cold, rain, and progressive fatigue that even affected his neck in the final stretch of the attempt.
His support team estimated expenses close to 14.000 daily calorieswith a consistent strategy of nutrition, clothing changes, and rapid recovery between blocks. The final part of the challenge became almost a race against sleep and accumulated fatigue.
Who is Alex McCormack?
McCormack, from 28 years and natural of North YorkshireHe was already one of the most established names in off-road ultracycling. In 2025 he won the Atlas Mountain Race and Hellenic Mountain Raceand a year earlier he won the Highland Trail 550.
He had also just signed a double world record in 2025 everesting, with 17.732 meters of ascent in less than 21 hours. This new seven-day record appears as another step in his preparation for major ultra-distance goals planned for the summer.
Why this story might interest triathletes
Although it's not strictly a triathlon news story, it does connect with one of the topics that most interests endurance readers: physiological and mental limits in extreme effortsThe data is impressive not only because of the distance, but also because of the ability to sustain a workload for a week that is unusual even for elite athletes.
At a time when triathlon and endurance cycling are increasingly sharing conversations about nutrition, recovery, aerodynamics and exertion tolerance, McCormack's challenge sets a benchmark that is difficult to grasp even for those accustomed to looking at very high numbers.
Now all that remains is to wait for official confirmation of the record. If it is confirmed, Alex McCormack will have achieved one of the greatest displays of endurance seen in recent cycling history.


