London, United Kingdom · Saturday, October 3, 2026
The Putney Loop Backyard Ultra
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
DUV results for the 2025 edition (28h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 28h | 10 | Stephen Balbi · 181.062 km | Victoria Izzy Owens · 187.768 km |
| 2024 | 27h (Partial) | 3 | Simon Withers · 174.356 km | Victoria Izzy Owens · 181.062 km |
| 2024 | 17h | 14 | Simon Withers · 114.002 km | Barbara Wood · 53.648 km |
The field grew 233% between 2024 (3) and 2025 (10). 20% of the 2025 field were women.
DUV results for the 2025 edition (28h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.
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 27 m of ascent.
- Trail Running Shoes Cushioning on trail that is still there in the last quarter.
- Race Nutrition Self-supported fuelling between aid stations.
- Hydration Vests Flask capacity without the bounce.
- Headlamps A 28 h limit puts you out there after dark.
- GPS Watches Battery life first — an ultra outlasts most full-GPS modes.
Similar races
Other trail ultras of the same format.