MASTERS MEN'S ULTRA 100K

Masters Men 100K: Wealing Runs Away from the Field at Tahoe

Masters MenWomenMen
By MyRace AIJuly 18, 2026Official site ↗
  • Seth Wealing (Golden, CO) wins in 11:40:10 at 11:16/mi, finishing 32 minutes and 29 seconds ahead of 2nd-place Mathieu Dardenne — a commanding margin across 62 miles of high-altitude trail.
  • Wealing's strongest segment: the 4th-fastest split on the Bull Wheel→Diamond Peak stretch among all women's-field runners — a standout push on one of the course's most demanding stretches.
  • Closest battle of the day: Ryan Niccum (5th, 13:36:22) and Jayson Welden (6th, 13:36:47) finished just 25 seconds apart after more than 13 hours on course — Niccum holding the edge with the 11th-fastest Waterfall→Finish split in the field.
  • 86 men finished in the Masters field, with the top 20 spanning just over 4 hours and 47 minutes from first to last.

Seth Wealing made the Tahoe Rim Trail his own on Saturday. The 47-year-old from Golden, Colorado crossed the line in 11:40:10 — a pace of 11:16 per mile across a course that climbs and dips between 4,862 and 9,003 feet of elevation. That's the kind of effort the thin Sierra Nevada air has a way of punishing, and Wealing answered it by moving steadily through the men's field all day, tracking as high as 3rd at one checkpoint before settling into the win. His split on the Bull Wheel→Diamond Peak segment ranked 4th-fastest in the broader field — a sign he was still pressing hard deep into the race.

Behind Wealing, Mathieu Dardenne (San Francisco, CA) ran one of the day's more impressive arcs. The 40-year-old started conservatively and kept climbing the leaderboard all race long, moving from 27th at the first check all the way to 8th among men by the finish — his 7th-fastest Snow Valley Peak 2→Hobart 3 split one of the sharper late-race moves in the Masters field. He finished 2nd in 12:12:39. Ben Fields (Edgewater, CO), also 40, came in 3rd at 12:27:33, but his trajectory ran the opposite direction — starting 3rd and gradually slipping to 9th among men before holding on for the podium spot.

Jake Lawrence (South Lake Tahoe, CA) took 4th in 13:21:16, posting the 15th-fastest Bull Wheel 2→Tunnel Creek 2 split. Then came the day's tightest finish: Ryan Niccum (Tucson, AZ, age 51) and Jayson Welden (Reno, NV, age 43) ran each other into the ground over 13-plus hours, with Niccum clocking the 11th-fastest Waterfall→Finish split to edge Welden 13:36:22 to 13:36:47. Twenty-five seconds after more than thirteen hours of racing — that's a finish worth savoring. Welden, a local from Reno, had to settle for 6th by the narrowest of margins.

The rest of the top 20 spread across the afternoon and into the evening, with Josh Murphree (Park City, UT) 7th in 14:30:20, Jason Fazio (Mammoth Lakes, CA) 8th in 14:41:28, and Florian Cardinaux rounding out the top 20 at 16:27:20. All 86 finishers earned their buckle on a course that doesn't negotiate with anyone.

The course

Course map — Tahoe Rim Trail Endurance Run
4116 ft range ≈ 2 stacked burj khalifas (2722 ft each)×28,995 ft4,879 ft032 mi64 mi
64.4 miles · 14,701 ft elevation gain · 9,003 ft max elevation
The course · start finish · © Mapbox © OpenStreetMap
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