Vail, AZ, United States · Saturday, December 5, 2026

Fixed Distance 50 mi

Colossal Vail 50 Mile

66 days away

80 km Distance

not publishedn/a Climbing

4.0 est Grit · Challenging

Calculated from 80 km alone — the organiser has not published an elevation profile. Read 4.0 as a floor, not a verdict.

32.0479° N, 110.7120° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 15 hours 11:15 min/km average. Generous. Walkable throughout for most of the field. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. About average for a 50 mi. Measured against 471 races of the same distance. Cut-off calculator →

Field size ~65 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 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, December

Daytime high 14°C

Night low 0°C

Rainfall Dry — rain unlikely

Daylight 10 h 10 m of light

Regional 2001-2020 average for December — NASA POWER, grid elevation 1262 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50mi	65	Jose Delgado · 07:10:33	Casey Mattix · 09:40:11
2024	50mi	64	Peter Davidson · 06:39:13	Candice Burt · 08:41:38
2023	50mi	56	Michael Tomchaney · 07:31:56	Susie Stephen · 07:54:26
2022	50mi	53	Ryan Raff · 06:38:55	Kylie Aldaz · 08:40:08
2021	50mi	43	Peter Davidson · 07:16:26	Heather Hoechst · 07:45:24
2019	50mi	49	Nathan Johnson · 07:47:39	Angela Greynolds · 10:13:34
2018	50mi	35	Mitchell Parker · 07:41:24	Dari Duval · 09:09:41
2017	50mi	36	Nicholas Coury · 08:11:38	Brianna Grigsby · 09:04:59
2016	50mi	26	Jesse Lang · 07:52:29	Emily Bushouse · 12:32:39
2015	50mi	18	Corey Keppel-Kolb · 09:38:38	Molly Brown · 10:34:03

The field has held steady: 64 in 2024, 65 in 2025. 26% of the 2025 field were women.

DUV results for the 2025 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

👟 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.

Trail Running Shoes 80 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 80 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 80 km, without the bounce.
Headlamps A 15 h limit puts you out there after dark.
GPS Watches Battery life first — a 80 km day outlasts most full-GPS modes.

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