Saturday, December 5, 2026Williamsburg, VA
Run the River Ultra
3 events
- 51.7 Mile83.2KUltraStarts 6:00 AM
- 50K50KUltraStarts 10:30 AM
- Half MarathonHalfRoadStarts 3:00 PM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherIdeal weather · 91/100
- High / low
- 53° / 41°F
- 12° / 5°C
- Humidity
- 80%
- Dew point 40°F
- Chance of rain
- 26%
- Wind
- 11 mph
- Average
- Often windy: about 11 mph on average.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.