Devil on the Divide Ultra

Race completed

50 km Distance

2,300 m Climbing

5.9 Grit · Challenging

37.6383° N, 120.9022° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 46 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 11 hours 13:12 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 62% of 50K races. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~157 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, September

Daytime high 33°C

Night low 16°C

Rainfall Dry — rain unlikely

Daylight 12 h 36 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 168 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50km	157	Zachary Miller · 04:32:38	Nora Rex · 05:30:06
2024	50km	140	Scott Schrader · 05:09:15	Megan Burke · 05:10:56
2023	50km	124	Jason Schlarb · 04:56:59	Jessica Roberts · 05:40:36
2022	50km	125	Jonathan Rea · 04:19:35	Jessica Roberts · 05:31:51
2021	50km	112	Zachary Russell · 04:47:26	Jessica Roberts · 05:31:22
2019	50km	120	Jackson Brill · 04:38:58	Laura Stamp · 05:45:26
2018	50km	121	Tyler Fox · 04:41:09	Ellie Fox · 05:29:20
2017	50km	81	Garrett Smith · 05:22:04	Ginna Ellis · 05:48:57
2016	50km	76	Paul Steinweg · 04:55:38	Rachel Downey · 05:44:42
2015	50km	80	Frank Pipp · 05:12:12	Amy Aleshire · 06:05:12

The field grew 12% between 2024 (140) and 2025 (157). 28% of the 2025 field were women.

DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a mountain course. Poles are highly recommended for the sustained climbs.

By UltraHub Expert

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 50 km of trail with 2,300 m of ascent.

Trail Running Shoes 46 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 2,300 m of ascent to walk up.
GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.

Adidas

Terrex Speed Ultra

RunRepeat found the Adidas Terrex Speed Ultra to have a grippy outsole and great lockdown, while iRunFar noted that the shoe works on a variety of trail conditi…

★★★★★ 4.5

Adidas

Terrex Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 4.5

Spring Energy