Sisters, OR, United States · Saturday, September 19, 2026

Fixed Distance 50K

Three Sisters Skyline 50km Race

Race completed

50 km Distance

890 m Climbing

3.8 Grit · Challenging

44.2910° N, 121.5492° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 18 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Field size ~145 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 23°C

Night low 8°C

Rainfall Dry — rain unlikely

Daylight 12 h 23 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 980 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50km	145	Tim Morin · 04:23:44	Ariane Hendrix-Roach · 04:37:22
2024	50km	148	Mario Mendoza Jr. · 03:47:44	Carmen Bango · 04:28:08
2022	50km	180	Michael Eaton · 04:19:00	Kerri Lyons · 04:27:33
2021	50km	162	Drew Macomber · 03:47:13	Brooke Carmen · 04:27:54
2020	50km	136	Alastair Thurlbeck · 04:20:58	Camelia Mayfield · 04:48:35
2019	50km	105	Ryan Bak · 03:56:11	Camelia Mayfield · 04:51:26

The field has held steady: 148 in 2024, 145 in 2025. 45% 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

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

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 50 km of trail with 890 m of ascent.

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.

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

Adidas

Terrex Speed Ultra

RunRepeat found the Adidas Terrex Speed Ultra to have a grippy outsole and great lockdown, while iRunFar noted that the shoe works on a variety of trail conditi…

★★★★★ 4.5

Maurten

Gel 100

Hydrogel technology for 25g carbs per gel with minimal GI distress.

$3.5 ★★★★★ 4.7

Salomon

ADV Skin 12

Industry-standard 12L race vest with front flask pockets and minimal bounce.

$180 ★★★★★ 4.8

Suunto

Vertical

Titanium GPS watch with solar charging, offline maps, and 140-hour GPS battery.

$630 ★★★★★ 4.5

All gear guides →

Overview

The Three Sisters Skyline 50km Race, organized by Alpine Running, is a 50-kilometer trail race held in Sisters, OR. With 890 meters of elevation gain over its 50 kilometers, the course presents 17.8 meters of climb per kilometer.

This race has been run 6 times since its first edition in 2019, with the most recent edition in 2025 seeing 145 finishers. The upcoming 2026 edition is scheduled for September 19.

The Three Sisters Skyline 50km Race has a larger field than 86% of its 2663 peer 50k races. The course description mentions stunning views of the Three Sisters and other high Cascade peaks of Oregon, running amongst Ponderosa Pines.

Similar races

Other 50K trail ultras, closest in distance first.