Run the River Ultra
Run the River Ultra is a running, road cycling, and ultra race on December 5, 2026 in Williamsburg, VA, with entry fees from $35 to $50.
- Date
- December 5, 2026 (79 days to go)
- Price
- $35–$50
- Sports
- RunningRoad CyclingUltra
From the Organizer
Run the River Ultra - December 5th
Participants can choose from 3 distances :
-
Half Marathon
-
50K
-
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.
Events
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
55°
Typical Low
36°
Chance of Rain
33%
Based on US Climate Normals data from Williamsburg 2 N, 3 mi from the venue.
About Williamsburg, VA
City Elevation
70 ft
Nearest Airport
PHF
Newport News Williamsburg International Airport · 18 mi
Major Hub
RIC
Richmond International Airport · 34 mi
Time Zone
Eastern Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at Run the River Ultra, put it on the calendar, and turn “someday” into a start date.
79
Days to train
- Race
- Run the River Ultra
- Date
- December 5, 2026
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About These Sports
This race spans more than one sport — here’s a guide to each, so you can understand what’s involved and decide if it’s the right fit. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Road Cycling
Built around sustained effort on a bike, exploring cities on the open road. Beginner distances create a great entry point into endurance sports.
Ultramarathon
An ultramarathon is anything beyond the standard marathon — 50K, 50-mile, 100K, 100-mile, and timed events. Crossing the line is less about speed and more about not quitting.
More Running races near Williamsburg, VA
Frequently Asked Questions
What is the Run the River Ultra?
When and where is the Run the River Ultra?
How do I register for the Run the River Ultra?
Run the River Ultra
Dec 5, 2026