Arc of Attrition by UTMB - Arc 50, 2026

Porthcurno, United Kingdom
435finishers
17.0%women
80distance (km)
13:42:24median time
41median age
2,500climb (m)

Men's race

1Jones, KristianGBR7:09:41
2Wigley, KeithGBR7:27:45
3Bowness, LewisGBR7:38:32
finishers361median13:34:05last16:38:04

Women's race

1Hillier-Moses, GemmaGBR8:12:56
2Sio Seijo, AroaESP9:31:30
3Kaars Sijpesteijn, KatieGBR9:33:15
finishers74median14:09:38last15:58:22

The field

Middle half of the field finished between
11:49:10 and 14:41:43
Finishing for the first time
402 of 435 (92.4%)
Beat their own time here
16 of 33
Oldest and youngest
67 and 22
From United Kingdom
74.5%
Nationalities
31
Finished in the final hour
106 of 435
Last finisher
16:38:04 (-2:51:56 to spare)
Under 8 hours
5 (1.1%)
Under 10 hours
33 (7.6%)
Under 12 hours
121 (27.8%)
Under 14 hours
244 (56.1%)

Kristian Jones won the men’s race in 7:09:41, with Keith Wigley second in 7:27:45. Lewis Bowness, who won the Lakeland 50 in 2025, was third in 7:38:32. Gemma Hillier-Moses won the women’s race in 8:12:56, 1 hour 18 minutes 34 seconds clear of Aroa Sio Seijo in 9:31:30. Behind her the race for second was far closer: Sio Seijo held off Katie Kaars Sijpesteijn, who finished in 9:33:15, by 1 minute 45 seconds.

The race had 435 finishers, the largest field in the six editions run since 2019. The middle of that field was also the slowest in those six editions. The median man finished in 13:34:05 and the median woman in 14:09:38, and neither division had produced a slower median before.

Seventy-four women finished, more than in any previous edition, and they made up 17.0% of the field.

Histogram of finish times at Arc of Attrition by UTMB - Arc 50 2026. 435 finishers in 1.0-hour bands. The busiest band is 14:00:00 to 15:00:00 with 107 finishers, against a cutoff of 15:30:00.
435 finishers at Arc of Attrition by UTMB - Arc 50, 2026-01-25. Dashed lines mark the winners of the men's and women's races and the median finisher. The solid line is the 15:30:00 cutoff.

Most of this field spent nearly a full working day longer on the course than the winners did. Jones was home in 7:09:41, but the median finisher took 13:42:24, and a quarter of the men were still out after 14:37:11. In a field this size that is a lot of runners. More than a hundred people finished in the last stretch of the time allowed, which is where the bulk of the Arc 50 is run.

Bar chart of median finish time by age band at Arc of Attrition by UTMB - Arc 50 2026. the under 30 12:16:41, the 30s 12:47:15, the 40s 14:02:00, the 50s 14:22:58. The 50s are 17.1% slower than the under 30.
Median finish time by age at Arc of Attrition by UTMB - Arc 50, 2026-01-25. Bands holding fewer than 21 finishers are left out, since a median of a handful is not one.

The last finisher came in at 16:38:04, past the 15:30:00 limit, which was published but not enforced to the second. The last woman home finished in 15:58:22, also after it.

Two stacked panels covering 7 editions of Arc of Attrition by UTMB - Arc 50 from 2019 to 2026. The upper panel shows finishers by year, split into men and women, peaking at 435 in 2026. The lower panel shows winning times for both races, the men's fastest in 2025 and the women's in 2025.
Arc of Attrition by UTMB - Arc 50, 2019 to 2026. Finishers by year above, winning times below.