The Great Divide Ultra Night Run

Race completed

50 km Distance

not publishedn/a Climbing

2.5 est Grit · Entry level

Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.

38.9419° N, 105.1572° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 12 hours 14:24 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 Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. More forgiving than 70% of 50K races. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~16 Tiny. You will run alone for most of it.

DUV results for the 2026 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, June

Daytime high 26°C

Night low 9°C

Rainfall Mostly dry

Daylight 14 h 47 m of light

Regional 2001-2020 average for June — NASA POWER, grid elevation 2372 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	50km	16	Ka'Eo Jones · 05:31:28	Kelsey Lutz · 06:29:18
2025	50km	17	Yates McConnell · 05:24:37	Patricia Franke-Nixon · 05:38:47
2024	50km	14	Luke Jay · 05:12:47	Mary Mahoney · 06:24:34

The field shrank 6% between 2025 (17) and 2026 (16). 31% of the 2026 field were women.

DUV results for the 2026 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

👟 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.

Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 50 km, without the bounce.
Headlamps A 12 h limit puts you out there after dark.
GPS Watches Battery life first — a 50 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

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Spring Energy