Mammoth Cave 50km Race

6 days to go

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.

37.1862° N, 86.1000° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~47 Small. Long stretches with nobody in sight.

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, October

Daytime high 21°C

Night low 9°C

Rainfall Showers likely

Daylight 10 h 58 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 200 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50km	47	Ben Camuel · 04:11:17	Crystal Wheatley · 05:01:38
2024	50km	39	Anthony Groft · 03:44:26	Belle Thomas · 04:51:43
2023	50km	21	Jack Harding · 04:59:11	Geri Keller · 05:35:13
2022	50km	29	Nicholas Brown · 04:39:25	Traci Falbo · 04:56:57
2021	50km	32	Aaron Osborne · 04:08:10	Jill Acton-Brown · 05:11:04

The field grew 21% between 2024 (39) and 2025 (47). 32% 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.

Course notes

gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.

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.

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

New Balance