Steamboat Springs, CO, United States · Saturday, September 19, 2026

Fixed Distance 50 mi

Run Rabbit Run 50 Mile Endurance Run

Race completed

80 km Distance

3,000 m Climbing

8.5 Grit · Elite / extreme

40.4850° N, 106.8317° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 38 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 15 hours 11:15 min/km average. Generous. Walkable throughout for most of the field. About average for a 50 mi. Measured against 470 races of the same distance. Cut-off calculator →

Field size ~168 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, September

Daytime high 19°C

Night low 3°C

Rainfall Mostly dry

Daylight 12 h 21 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 2595 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50mi	168	Ryan Raff · 07:04:38	Megan Roche · 08:21:52
2024	50mi	154	Nicolas Sondaz · 08:16:50	Abigail West · 08:35:36
2023	50mi	161	John Dragon · 08:08:38	Becca Bramley · 09:07:14
2022	50mi	153	Rick Davey · 08:42:04	Georgia Porter · 08:29:00
2021	50mi	139	Ryan Sullivan · 07:38:45	Mary Baughman · 09:10:16
2019	50mi	141	Arthur Whitehead · 07:17:42	Raquel Harper · 09:38:43
2018	50mi	155	Ford Smith · 07:43:15	Blake Wageman · 08:35:34
2017	50mi	127	Oliver Knauer · 08:37:03	Katie Kissane · 09:35:36
2016	50mi	151	Timothy Parr · 07:26:59	Blair Doney · 09:18:59
2015	50mi	162	Timothy Parr · 07:43:20	Mary Mahoney · 09:05:08

The field grew 9% between 2024 (154) and 2025 (168). 36% 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

⛰️ 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 80 km of trail with 3,000 m of ascent.

Trail Running Shoes 38 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 80 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 3,000 m of ascent to walk up.
Headlamps A 15 h limit puts you out there after dark.

Asics

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

Skratch Labs

Sport Hydration Mix

Clean electrolyte drink mix with real fruit flavor. Low sugar.

$20 ★★★★★ 4.5

Salomon

ADV Skin 12

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

$180 ★★★★★ 4.8

LEKI

Ultratrail FX.One

Ultra-light carbon folding poles (135g each) designed for mountain ultra racing.

$200 ★★★★★ 4.6

Petzl

NAO RL

1500-lumen reactive lighting headlamp with 15-hour runtime. Automatic brightness adjustment.

$150 ★★★★★ 4.7

All gear guides →

Overview

The Run Rabbit Run 50 Mile Endurance Run in Steamboat Springs, Colorado, is a 50-mile trail race with 3000 meters of elevation gain, making for 37.5 meters of climb per kilometer. This 50-mile course has a 15-hour time limit, which translates to a cutoff pace of 11.3 minutes per kilometer. This cutoff is tighter than 46% of 50-mile races.

With 168 finishers in its latest edition, this race has a bigger field than 86% of its 661 peer 50-mile races. The event has been held 10 times, with the first edition in 2015 and the latest in 2025. The next edition is set for September 19, 2026.

Similar races

Other 50 mi trail ultras, closest in distance first.