Westcliffe, CO, United States · Saturday, September 26, 2026

Fixed Distance 50 mi

Sangre de Cristo Ultra 50 Mile Race

Race completed

80 km Distance

3,000 m Climbing

8.5 Grit · Elite / extreme

38.1347° N, 105.4658° 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 20 hours 15:00 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 86% of 50 mi races. Measured against 470 races of the same distance. Cut-off calculator →

Field size ~32 Small. Long stretches with nobody in sight.

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 22°C

Night low 6°C

Rainfall Mostly dry

Daylight 12 h 03 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 2542 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50mi	32	David Braunlich · 10:00:00	Miranda Jenks · 11:20:00
2024	50mi	21	Brandon Wells · 11:27:00	Rebecca Steven · 14:37:00
2023	50mi	16	Angus Gaudry · 11:00:00	Hannah Agosta · 12:31:00
2022	50mi	25	Tylor Soll · 10:32:00	Angela Tidd · 11:43:00
2021	50mi	32	Nate Mitka · 10:49:00	Lindsey Hayter · 11:09:00
2020	50mi	39	Lyle O'Brien · 08:51:00	Rachel Hallum-Montes · 10:10:00
2019	50mi	44	James Hitch · 09:18:00	Kylee Drugan-Eppich · 10:34:00
2018	50mi	17	Brian Marshburn · 09:50:00	Lauren Mulvaugh · 12:05:00

The field grew 52% between 2024 (21) and 2025 (32). 34% 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 20 h limit puts you out there after dark.

Salomon

Aero Glide 4 Grvl

$159.95 ★★★★★ 4.5

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

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

Komperdell

Carbon Ultralight Vario 4

4-section folding carbon poles with compact pack size for mandatory gear.

$160 ★★★★★ 4.5

Nitecore

UT32

Dual-beam trail running headlamp (1100 lumens) with spot and flood beams.

$100 ★★★★★ 4.5

All gear guides →

Overview

The Sangre de Cristo Ultra 50 Mile Race, a fixed-distance trail race in Westcliffe, CO, has been organised by Human Potential Series since 2018. The course covers 80 km with 3000 m of elevation gain, making for 37.5 meters of climb per kilometer.

With a 20-hour time limit, runners must maintain a pace faster than 15 minutes per kilometer. This cutoff is more generous than 11% of 50-mile races, offering a wider margin for completion. The race typically sees smaller fields, with fewer finishers than 35% of its 661 peer 50-mile events.

Similar races

Other 50 mi trail ultras, closest in distance first.