Founders Half Marathon
Updated
Sunday, December 13, 2026, first start 9:00 AM, in Potomac (North Parking for Carderock Cliffs). Distances: Half marathon. Entry from $10; the Half marathon goes from $10 to $15 after December 12.
- Date
- Sunday, December 13, 2026
- Start time
- 9:00 AM (earliest wave)
- Location
- North Parking for Carderock Cliffs, Potomac, DC 20854
- Area
- Maryland Suburbs, Washington, DC
- Distances
- Half marathon
- Course
- Road or path
- Price
- $10 plus the platform's processing fee
- Next price increase
- Saturday, December 12, 2026: Half marathon $10 → $15
- Registration
- Open. Opened July 6, online signup closes Sunday, December 13, 2026
How to register
Registration is on RunSignup. Pick your distance, add any extras, and you'll get a confirmation email with your bib details. Sign up by December 12 to pay $10 instead of $15.
Register on RunSignup →Race website
Course and race notes
The lowest-priced half-marathon in America! Still a full 13.1 miles and full-service on quality and support! This is race #2 of the DCRR Snowball Series. In past years, it's been the Gar Williams Half Marathon; now it honors all the Club's founders. Course: Out-and-back along C&O Canal Towpath.
From the race's own listing. Check the race website for the course map and parking.
Source: RunSignup public race API, refreshed 2026-10-17. Details can change; the registration page is the final word.