Sangre de Cristo Ultra 100 km Race

Race completed

100 km Distance

3,000 m Climbing

9.5 Grit · Elite / extreme

38.1347° N, 105.4658° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 30 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 24 hours 14:24 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 86% of 100K races. Measured against 214 races of the same distance. Cut-off calculator →

Field size ~11 Tiny. You will run alone for most of it.

DUV results for the 2025 edition (100km) — 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	100km	11	Akeo Mayfeld-Carucci · 09:58:00	Lauren Swigart Dennis · 15:46:00
2024	100km	16	Zachary Marks · 14:26:00	Katie Simmons · 16:26:00
2023	100km	16	Matt Gorbett · 13:08:00	Amy Hume · 13:37:00
2022	100km	15	Peter Kline · 14:24:00	Lizzy Rouce · 16:29:00
2021	100km	10	James Hayduk · 18:12:00	Hannah Alt · 16:16:00
2020	100km	31	Erich Owen · 13:31:00	Kathryn Dickmann · 12:55:00
2019	100km	18	Edward Delosh · 13:08:00	Ashlee Ritson · 14:31:00
2018	100km	15	Josh Miller · 13:39:00	Brittney Street · 18:03:00

The field shrank 31% between 2024 (16) and 2025 (11). 27% of the 2025 field were women.

DUV results for the 2025 edition (100km) — 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

🥤 nutrition

For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

By UltraHub Expert

Gear for this race

Chosen for 100 km of trail with 3,000 m of ascent.

Trail Running Shoes 30 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition Past 100 km the palate quits before the legs do — carry more than one flavour.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 3,000 m of ascent to walk up.
Headlamps A 24 h limit puts you out there after dark.

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

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

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