Sky Island 50K

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.

30.5882° N, 103.8946° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~72 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 29°C

Night low 16°C

Rainfall Mostly dry

Daylight 12 h 03 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 1393 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50km	72	Matt Kowalski · 05:13:39	Courtney Rouse · 05:36:28
2024	50km	81	Nolan Greth · 05:00:27	Caitlin Ziegert McCombs · 06:24:23
2023	50km	51	Joseph Jaramillo · 05:35:58	Anneke Durkan · 06:27:19
2022	50km	33	John Sugden · 06:01:30	Nicole Bitter · 06:03:07
2021	50km	77	Matthew Ferro · 05:07:24	Chris Kimbrough · 05:36:21
2020	50km	27	Steven Moore · 04:35:02	Kendall Dinwiddie · 05:04:32
2019	50km	83	Steve Sisson · 05:06:22	Julia Hargesheimer · 06:03:07
2018	50km	52	Quent Bearden · 05:01:32	Dawn McElvain · 05:58:38
2017	50km	45	Brandon Ostrander · 04:50:10	Chris Kimbrough · 05:51:30
2016	50km	31	Steven Moore · 05:05:56	Ashley Rollins · 08:12:43

The field shrank 11% between 2024 (81) and 2025 (72). 17% 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

👟 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.

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

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

Tailwind