M50-54 · ULTRA TRAIL

M50-54 at UTMB 2026: Borja Arias Storms Through the Field

M50-54WomenMen
By MyRace AIAugust 28, 2026Official site ↗
  • Borja Arias wins in 25:49:07 (14:20/mi), finishing more than 2 hours and 20 minutes clear of 2nd place across 174 km of Mont-Blanc terrain.
  • Jerome Gouan edges Tim Chiu by 39 seconds for 3rd — 28:09:45 to 28:09:06 — after Gouan ran the 74th-fastest men's split on the Trient→Les Tseppes segment to close the gap.
  • Serafin Moreno Manzano posted the 45th-fastest men's split on Vallorcine Entrée→Vallorcine Sortie, one of the sharpest late-race efforts in the entire M50-54 field.
  • 171 finishers completed the 45h 30min-limit course, with the top 20 all coming in under 33:15.

Borja Arias, 50, didn't just win the M50-54 race — he dismantled it. His moves data tells the story cleanly: he entered the men's field around 326th place and steadily, relentlessly climbed, reaching 108th among men by the finish. That's not a single surge; that's sustained forward momentum across the full length of a 174-kilometer circumnavigation of the Mont-Blanc massif, through France, Italy, and Switzerland, with over 9,700 meters of climbing in the mix. At 14:20 per mile, he ran a pace more than a minute and fifteen seconds per mile faster than the man who finished second — a gap that compounded into a 2:20:00 lead by the time he crossed the line in Chamonix.

The battle for 2nd and 3rd was a genuinely different kind of drama. Tim Chiu, 51, ran a controlled race through the middle sections, posting the 118th-fastest men's split on Les Tseppes→Vallorcine Entrée, and held 2nd at 28:09:06. But Jerome Gouan, 51, had been surging hard — starting deep in the men's field around 622nd and steadily cutting through the pack. His 74th-fastest men's split on the Trient→Les Tseppes segment was the decisive move, and he arrived in Chamonix just 39 seconds behind Chiu at 28:09:45. That's a catch-up race that fell just short: the finish times are separated by less than a minute, but the effort profiles were markedly different.

Fourth and fifth place added their own subplot. Jose Carlos Corchero Cabello, 54, also started deep (712th in the men's field) and worked all the way to 193rd among men — one of the biggest positional climbs of anyone in the top five. Serafin Moreno Manzano, 53, meanwhile saved something for the final stretch, firing off that 45th-fastest men's split late in the race to seal 5th at 28:40:42. Pete Vale (7th, 29:00:45) and Daniel Garcia Palazon (6th, 28:57:08) rounded out a top seven all finishing inside 29:01 — a remarkably tight cluster behind Arias's dominant march.

The course

Course map — UTMB Mont-Blanc
5445 ft range ≈ 2 stacked burj khalifas (2722 ft each)×28,137 ft2,692 ft054 mi108 mi
108.1 miles · 32,756 ft elevation gain · 8,297 ft max elevation
The course · start finish · © Mapbox © OpenStreetMap
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