MCRRC Stone Mill 50 Mile Run
Nov 7Montgomery Village, MD50 mi
43 mi from 12 Hour - Adventure Trail Run, similar trail technicality to 12 Hour - Adventure Trail Run, registration open
12 hr30KRelayCompleted
12 Hour - Adventure Trail Run
- Entry
- $115
- Aid stations
- 2
At a glance
- Last held
- Oct 3, 2026
- Next edition
- 2027 date not announced. Usually held in October.
- Location
- Triangle, Virginia
- Distances
- 12 hr, 30K, Relay
- Elevation gain
- 650 ft
- Aid stations
- 2
Listed from UltraSignup. Checked Oct 3, 2026.
Plan this race for free
2 aid stations are already loaded. Add cutoffs, pacing and the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout this race
The 12-HR Adventure Trail Run is a 12-hour timed trail running event held in Prince William Forest Park, featuring a 6.5-mile looped figure-eight course with approximately 650 feet of elevation gain/loss per loop. Runners aim to complete as many miles as possible within the 12-hour window, with solo and 2-person team categories available.
Key dates
Race day
Oct 3, 2026
Pricing
Current price
$115
2-Person Team (per person)
Price progression
Solo 30KM
$90
Solo 12HR
$125
2-Person Team (per person)
$115
Email me updates about 12 Hour - Adventure Trail Run
Registration openings and major changes, like a new date or a cancellation.
Aid stations
2| Station | Distance | Crew | Drop bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Start/Finish (Primary Aid Station) Primary aid station at the Start/Finish. Will have a plentiful array of sustenance (food) to cover everyone throughout the event. | 0.00 miles | -- | foodwater | ||
Second Aid Station The second aid station will ONLY have H2O. | -- | -- | water |
Entry transfers
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Race planning
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