Flete Estate, United Kingdom · Saturday, October 10, 2026
Fixed Distance 100 mi
The South Hams Ultra 100 miles
Race completed
161 km Distance
4,890 m Climbing
10.0 Grit · Elite / extreme
What the course asks
Climbing rate 30 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 35 hours
13:03 min/km average. Generous. Walkable throughout for most of the field. About average for a 100 mi. Measured against 46 races of the same distance. Cut-off calculator →
Typical conditions, October
Daytime high 15°C
Night low 7°C
Rainfall Mostly dry
Daylight 11 h 06 m of light
Regional 2001-2020 average for October — NASA POWER, grid elevation 87 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Gear for this race
Chosen for 161 km of trail with 4,890 m of ascent.
- Trail Running Shoes30 m of climb per kilometre — grip and rock protection before cushioning.
- Race NutritionPast 161 km the palate quits before the legs do — carry more than one flavour.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles4,890 m of ascent to walk up.
- HeadlampsA 35 h limit puts you out there after dark.
Course Notes
The South Hams Ultra follows existing public rights of way, bridleways and coastal paths, as well as traversing parts of Dartmoor National Park, beautiful South Hams countryside, and five estuaries.
Similar races
Other 100 mi trail ultras, closest in distance first.