Ultra Running Hub Boonsboro, MD, United States · Sunday, October 11, 2026
Timed 8 hours
Rick ODonnell 8-hour Ultra Challenge
25 days to go
not publishedn/a Distance
not publishedn/a Climbing
not publishedn/a Grit
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
Field size ~1 Tiny. You will run alone for most of it.
DUV results for the 2023 edition (4h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, October
Daytime high 18°C
Night low 7°C
Rainfall Showers likely
Daylight 11 h 24 m of light
Regional 2001-2020 average for October — NASA POWER, grid elevation 191 m. Not a forecast.
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 ShoesCushioning on trail that is still there in the last quarter.
- Race NutritionSelf-supported fuelling between aid stations.
- Hydration VestsFlask capacity without the bounce.
- GPS WatchesBattery life first — an ultra outlasts most full-GPS modes.
Course Notes
Greenbrier State Park, 5.22 mile loop.
Similar races
Other trail ultras of the same format.