Skilled operating and biking share loads of similarities in the case of endurance and coaching quantity, however excelling in a single doesn’t robotically imply you’ll grasp the opposite. Until, after all, you’re Tom Dumoulin.
On Sunday on the 2025 TCS Amsterdam Marathon, the previous Dutch biking world champion and two-time Olympic medallist made a powerful marathon debut, clocking 2:29:21 to complete 116th total out of greater than 23,000 members.
“I wished to run below two and a half hours, and I succeeded. But it surely was painful and tough,” Dumoulin informed Dutch information The Newest Information after the race.
In an Instagram put up, Dumoulin shared that his purpose was to interrupt 2:30, nevertheless it escalated shortly after he went by midway in 69 minutes.
“I keep in mind telling myself I’d begin at a conservative tempo, however that went out the window after I determined to comply with the lead girls at 2:18 marathon tempo,” Dumoulin mirrored in his put up. “That really felt wonderful till midway, then I shortly felt my legs cramping up, and I had no different choice however to let the group go after 23K.”
The 34-year-old, who gained the 2017 UCI World Time Trial Championship, completed simply 26 minutes behind race winner Geoffrey Kipchumba of Kenya, who set a brand new course document of two:03:30.

Since retiring from skilled biking in 2022, Dumoulin has shifted his aggressive focus to operating, becoming a member of a number of different cyclists from his period who’ve accomplished the identical. Earlier this yr, four-time Tour de France stage winner and French biking nationwide workforce supervisor Thomas Voeckler ran 1:13:21 on the Paris Half-Marathon, whereas 35-time Tour de France stage winner Mark Cavendish clocked 1:57:08 on the identical occasion. Dumoulin, the previous time-trial specialist, holds the quickest half-marathon private better of the three at 1:10:04.
Dumoulin’s run is wonderful contemplating it was simply his first time racing the space, though his huge constructive cut up of 1:09/1:20 exhibits he has potential however loads to study to grasp it.
Tour de France legend faces criticism for his half-marathon debut

