Larkspur, CO, United States · Saturday, May 1, 2027

Fixed Distance 50K

Greenland Trail Race

212 days away

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.

37.9341° N, 122.5353° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~97 Mid-sized. Company early, well spread out by halfway.

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, May

Daytime high 19°C

Night low 9°C

Rainfall Dry — rain unlikely

Daylight 13 h 44 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 87 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	50km	97	Teddy Eyster · 03:49:55	Robyn Lesh · 03:38:09
2025	50km	74	Jonathan Aziz · 03:09:38	Rochelle Basil · 04:20:54
2024	50km	78	Samuel Delgado · 03:57:31	Sara Striegel · 04:39:45
2023	50km	58	Matthieu Caldwell · 03:54:44	Lisa Albers · 04:47:01
2022	50km	71	Giff Walters · 04:01:50	Chavet Hills · 05:30:16
2021	50km	93	Anthony Bruns · 03:38:34	Colleen Noonan · 04:39:45
2020	50km	47	Matt Taverner · 03:49:06	Amy Tribolini · 04:42:42
2019	50km	106	Joey Bender · 03:45:30	Jennifer Farmer · 04:44:49
2018	50km	81	Joseph Gray · 03:20:22	Jen Farmer · 04:38:14
2017	50km	91	Ian O'Brien · 03:50:37	Lillian Romeiser Rodgers · 03:59:21

The field grew 31% between 2025 (74) and 2026 (97). 30% 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.
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

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Maurten