Newmarket, United Kingdom · Saturday, August 8, 2026

Fixed Distance 100K

Stour Valley Path 100km Ultra Run

Race completed
102 km Distance
912 m Climbing
6.5 Grit · Hardcore
52.2447° N, 0.4042° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 9 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Time limit 15.5 hours 9:07 min/km average. Comfortable. Room to walk the climbs and stop at aid. About average for a 100K. Measured against 208 races of the same distance. Cut-off calculator →
Field size ~57 Small. Long stretches with nobody in sight.

DUV results for the 2026 edition (102km) — 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 22°C
Night low 13°C
Rainfall Mostly dry
Daylight 15 h 11 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 49 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a fast & flat 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 102 km of trail with 912 m of ascent.

  • Trail Running Shoes102 km of trail — cushioning that is still there in the last quarter.
  • Race NutritionPast 102 km the palate quits before the legs do — carry more than one flavour.
  • Hydration VestsFlask capacity for 102 km, without the bounce.
  • HeadlampsA 15.5 h limit puts you out there after dark.
  • AccessoriesChafe and blisters end more 102 km races than fitness does.
All gear guides →

Course Notes

The Stour Valley Path is a footpath in England. 5% paved, 95% trail.

Similar races

Other 100K trail ultras, closest in distance first.