Underdown Trail Race 50 Km

Race completed

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.

36.2137° N, 88.6125° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 15 hours 18:00 min/km average. Generous. Walkable throughout for most of the field. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. More forgiving than 90% of 50K races. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~24 Small. Long stretches with nobody in sight.

DUV results for the 2026 edition (60km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, August

Daytime high 32°C

Night low 21°C

Rainfall Mostly dry

Daylight 13 h 35 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 129 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	60km	24	John Renaud · 06:11:16	Annika Hempel · 08:35:04
2025	60km	19	Sidney Sparks · 05:20:11	Rachel Monaco-Wilcox · 07:33:58
2024	60km	16	Rob Kelsey · 06:41:46	Adriana Trevino · 07:54:30

The field grew 26% between 2025 (19) and 2026 (24). 17% of the 2026 field were women.

DUV results for the 2026 edition (60km) — 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

👟 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.

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.
Headlamps A 15 h limit puts you out there after dark.
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

Tailwind