Ultra Running Hub Smithfield, VA, United States · Saturday, June 12, 2027
Windsor Castle 10 Hour Run - Ruck
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 2026 edition (10h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, June
Regional 2001-2020 average for June — NASA POWER, grid elevation 23 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 10h | 1 | — | Nancy Roche · 54.878 km |
| 2024 | 10h | 2 | Matt Larson · 49.891 km | Kelly Russo · 49.889 km |
| 2023 | 10h | 1 | Jared Weisenburger · 59.867 km | — |
| 2022 | 10h | 2 | Trenton Gabriel · 52.046 km | Nicole Hammock · 52.046 km |
The field shrank 50% between 2024 (2) and 2026 (1). 100% of the 2026 field were women.
DUV results for the 2026 edition (10h) — 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.
- 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.
- GPS Watches Battery life first — an ultra outlasts most full-GPS modes.
Similar races
Other trail ultras of the same format.