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Ultramarathon Database

Mammoth Lakes, California · Trail

The Mammoth 2026

Friday, October 2, 2026 · Completed

The course was finalized on August 16, with June Lake Junction at mile 184 replacing Obsidian Dome and Glass Creek at mile 197.5 replacing Inyo Craters, and every aid station cut-off rewritten around the 109-hour limit. The race's own course page still carried the line that the 2026 route was pending Forest Service approval after the race had run.

2025·2026

Results · 2026

women

  1. 1. Mika Thewes54:03:46
  2. 2. Roxanne Vogel58:04:23
  3. 3. Lindsey Dwyer61:21:28

men

  1. 1. Gabe Joyes51:35:11
  2. 2. Wyatt Barrett59:25:45
  3. 3. Yassine Diboun60:38:09

152 finishersFull results ↗

Results updated

How it went

Gabe Joyes won the 2026 Mammoth in 51:35:11, crossing the finish line in Mammoth Lakes on Sunday afternoon. Wyatt Barrett was second in 59:25:45 and Yassine Diboun third in 60:38:09.

Mika Thewes won the women's race in 54:03:46 and was the second runner home overall, about two and a half hours behind Joyes. Roxanne Vogel was second in 58:04:23 and Lindsey Dwyer third in 61:21:28.

Both winning times are well slower than the 2025 marks, when Jimmy Elam won in 45:16:02 and Rachel Entrekin in 46:50:45, but the route was revised in August. By the 10 p.m. cutoff on Tuesday, 152 runners had finished, the last of them Jennifer Whipple in 106:20:53, against 92 finishers in 2025.

Distances

Distance
218 mi (351 km)
Vert gain
31,091 ft (9,500 m)
Cutoff
109 hr

WSER 2027 qualifier (sub-100:00)

Every year

  • 2026October 2, 2026 · completed
    Gabe Joyes 51:35:11 · Mika Thewes 54:03:46
  • 2025September 26, 2025 · completed
    Jimmy Elam 45:16:02 · Rachel Entrekin 46:50:45

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