Ultra Running Hub Tentsmuir Forest, United Kingdom · Saturday, October 24, 2026
Timed 8 hours
Tentsmuir Forest 8-hour Challenge
38 days away
not publishedn/a Distance
22 m Climbing
not publishedn/a Grit
We hold no course length for this race — a timed or backyard event is measured by the clock, not the kilometre — so there is no Grit score to give you.
What the course asks
Field size ~112 Mid-sized. Company early, well spread out by halfway.
DUV results for the 2025 edition (8h) — ranked runners 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 11°C
Night low 6°C
Rainfall Showers likely
Daylight 9 h 50 m of light
Regional 2001-2020 average for October — NASA POWER, grid elevation 146 m. Not a forecast.
The Aid Station
Course-specific beta from the community
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for this trail race with 22 m of ascent.
- Trail Running ShoesCushioning on trail that is still there in the last quarter.
- Race NutritionSelf-supported fuelling between aid stations.
- Hydration VestsFlask capacity without the bounce.
- GPS WatchesBattery life first — an ultra outlasts most full-GPS modes.
Course Notes
4.366 mile loop across forest trail
Similar races
Other trail ultras of the same format.