Northants, United Kingdom · Saturday, August 15, 2026

Fixed Distance 100K

Foxton Hound Ultra 100k

Race completed
104 km Distance
1,040 m Climbing
6.8 Grit · Hardcore
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52.3106° N, 0.8659° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 10 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Time limit 18 hours 10:23 min/km average. Generous. Walkable throughout for most of the field. About average for a 100K. Measured against 208 races of the same distance. Cut-off calculator →
Field size ~27 Small. Long stretches with nobody in sight.

DUV results for the 2024 edition (104km) — 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 21°C
Night low 12°C
Rainfall Mostly dry
Daylight 14 h 46 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 74 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 104 km of trail with 1,040 m of ascent.

  • Trail Running Shoes104 km of trail — cushioning that is still there in the last quarter.
  • Race NutritionPast 104 km the palate quits before the legs do — carry more than one flavour.
  • Hydration VestsFlask capacity for 104 km, without the bounce.
  • HeadlampsA 18 h limit puts you out there after dark.
  • AccessoriesChafe and blisters end more 104 km races than fitness does.

Adidas

Terrex Agravic Speed Ultra

★★★★★ 4.5

Salomon

Ultra Glide 4

$159.95 ★★★★★ 4.6

Maurten

Gel 100

Hydrogel technology for 25g carbs per gel with minimal GI distress.

$3.5 ★★★★★ 4.7

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Petzl

NAO RL

1500-lumen reactive lighting headlamp with 15-hour runtime. Automatic brightness adjustment.

$150 ★★★★★ 4.7

Squirrel's Nut Butter

Anti-Chafe Balm

All-natural anti-chafe balm. Essential for 100+ mile races.

$12 ★★★★★ 4.8
All gear guides →

Course Notes

The 100k & 50k Foxton Hound Ultras take runners on a journey through the beautiful countryside and villages that surround Market Harborough as they traverse the Harborough Round long distance footpath through Northamptonshire and Leicestershire.

Similar races

Other 100K trail ultras, closest in distance first.