Yellow Belly Summer 50

Race completed

80 km Distance

1,370 m Climbing

6.1 Grit · Hardcore

53.5103° N, 0.2263° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 17 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 18 hours 13:30 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 77% of 50 mi races. Measured against 486 races of the same distance. Cut-off calculator →

Typical conditions, September

Daytime high 17°C

Night low 11°C

Rainfall Mostly dry

Daylight 13 h 00 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 15 m. Not a forecast.

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 1,370 m of ascent.

Trail Running Shoes80 km of trail — cushioning that is still there in the last quarter.
Race Nutrition80 km of self-supported fuelling between aid stations.
Hydration VestsFlask capacity for 80 km, without the bounce.
HeadlampsA 18 h limit puts you out there after dark.
GPS WatchesBattery life first — a 80 km day outlasts most full-GPS modes.

Salomon

Ultra Glide 4

$159.95 ★★★★★ 4.6

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

Tailwind