Quad Rock 50 Mile

Race completed

80 km Distance

11,000 m Climbing

10.0 Grit · Elite / extreme

40.6264° N, 105.1716° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 138 m / km Vertical. Extreme verticality. This is a technical mountain course with sustained steep grades.

Time limit 14 hours 10:30 min/km average. Generous. Walkable throughout for most of the field. About average for a 50 mi. Measured against 470 races of the same distance. Cut-off calculator →

Field size ~102 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 edition (50mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, May

Daytime high 21°C

Night low 6°C

Rainfall Mostly dry

Daylight 14 h 12 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 1773 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	50mi	102	Evan Christopherson · 07:29:37	Liv Taber · 09:14:10
2025	50mi	104	David Roche · 07:06:19	Riley Brady · 08:16:24
2024	50mi	122	Tyler Fox · 07:39:26	Leah Yingling · 09:00:13
2023	50mi	132	Ryan Montgomery · 07:42:24	Anna Fisher · 09:31:56
2022	50mi	98	Jonathan Rea · 07:23:51	Jane Maus · 09:36:20
2021	50mi	135	Jackson Brill · 07:58:30	Salynda Heinl · 09:51:19
2020	50mi	37	Brady Poskin · 09:16:32	Addie Bracy · 08:54:23
2019	50mi	136	Tate Knight · 07:49:23	Addie Bracy · 09:09:22
2018	50mi	142	Jimmy Elam · 07:40:25	Addie Bracy · 08:51:18
2017	50mi	107	Jim Rebenack · 07:41:17	Marianne Hogan · 08:29:27

The field has held steady: 104 in 2025, 102 in 2026. 33% of the 2026 field were women.

DUV results for the 2026 edition (50mi) — 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 vertical 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 80 km of trail with 11,000 m of ascent.

Trail Running Shoes 138 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 80 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 11,000 m of ascent to walk up.
Headlamps A 14 h limit puts you out there after dark.

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

Salomon