Run the River Ultra
About this race
Run the River Ultra - December 5th
Participants can choose from 3 distances :
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Half Marathon
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50K
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51.7 Mile
Spots are very limited, so registration will be capped to keep the event small. There are no race bibs and no official timing.
Your registration also includes a custom Run the River Ultra merchandise item, with details to be announced.
Runners will travel west along the Virginia Capital Trail, all finishing at mile marker 51.7 at Low Line Beginning ( Dock St and N 17th St).
Each distance will start at the following locations. Runners are responsible for their own transportation.
Half Marathon - 3978 New Market Rd, Richmond, VA 23231 (Henricopolis Soil & Water District building)
50K - 10740 Courthouse Rd, Charles City, VA 23030 (Virginia Capital Trail Parking Lot)
51.7 Mile - Virginia Capital Trail Start, Williamsburg, VA 23185 (Jamestown Beach parking lot)
For each starting point, you can also click on this Google Maps Link
A portion of proceeds and optional donations will support the Virginia Capital Trail Foundation.
Pick your distance
Trail running
51.7 Mile Sturgeon
This is intended for runners who are properly trained and prepared for ultra distance running. Participants should be able to safely manage the distance, hydration, and nutrition required throughout the day.
50K Copperhead
This is intended for runners who are properly trained and prepared for ultra distance running. Participants should be able to safely manage the distance, hydration, and nutrition required throughout the day.
Running
Half Marathon Possum
Aid Station Volunteer
Please reach out directly via email (runtheriverultra@gmail.com) and we will assign you an aid station depending on availabilty.
Cycling
Bike Support Crew
Bike support is a very important role for the safety of this event! Bike support crew will be tasked with carrying nutrition, hydration and emotional support for the runners.
Typical race-day weather
Based on 9 years of Open-Meteo archive data for this event's race dates in Williamsburg, plus the 3 days either side.
The sun rises at 7:05 AM and sets at 4:49 PM local time (EST) in Williamsburg on December 5, 2026 — 9h 43m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Other races near Williamsburg
Different organizers, within 40 miles, in the next three months
Buff Betty Adventure Race
Haunted 5K, 10K & 13.1M at Williamsburg, VA (40)
17th Annual Williamsburg Landing 5k Run/Walk for The Arc
Frightening 4 Trail Run/Hike
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 64 Williamsburg events
Spotted something wrong? Tell us and we'll fix it.