Greensprings 24

OCT
24
2026
A 24 hour loop endurance race in Williamsburg, VA on October 24, 2026, run on a USATF certified 2.215 mile crushed gravel course. Individual and team mileage are tracked, awards are given for multiple distances, and proceeds support The Arc.
Sat 24 Oct 2026
Half Marathon Marathon 50k 50 Miles 100k

Always double-check with the organizer's website! This page may contain affiliate links.

Greensprings 24

Greensprings 24 is a 24 hour endurance race in Williamsburg, VA scheduled for October 24, 2026. The course is a USATF certified loop of 2.215 miles; only full loops count toward distance totals.

Distances and loop equivalents:

  • 14 loops = 50k
  • 12 loops = marathon
  • 6 loops = half marathon
  • Other standard ultra distances tracked by loop totals

The surface is crushed gravel and the trail is mainly flat, scenic, and non technical with minimal elevation change. The loop will be marked with reflective confidence streamers. Porta potties will be available at the loop check in and there will be multiple food options; organizers note grilling overnight.

Those completing 50k, 50 miles, 100k, 75 miles, and 100 miles receive special awards. Awards are also given to the top three overall male and female finishers. Individual and team mileage will be tracked and a prize is planned for the team with the most mileage.

Packet pickup is available on Friday, Oct. 23 from 4-6 pm at the start/finish area and on the morning of the event. Pacers may be used after 3 pm. Registration is expected to open on March 1, 2026, and closes Wed, Oct 21 at 11:59 PM ET. Register before Oct 8 to guarantee T-shirt size.

This event benefits The Arc in Williamsburg, VA. Donations can be added at registration, collected privately, given on race day, or submitted the week after the event. Visit the organization's website for the most recent information.

24 hr
24 Hour Endurance Race
100 mi
100 Miles
75 mi
75 Miles
100 km
100k
50 mi
50 Miles
50 km
50k
26 mi
Marathon
13 mi
Half Marathon
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.