Great Falls Half (Half/10k/5k)
Updated
Saturday, November 21, 2026, first start 12:00 PM, in Potomac (Great Falls Tavern). Distances: 5K, 10K, Half marathon. Entry from $57 to $75; the Half marathon goes from $75 to $80 after October 24.
- Date
- Saturday, November 21, 2026
- Start time
- 12:00 PM (earliest wave)
- Location
- Great Falls Tavern, Potomac, DC 20854
- Area
- Maryland Suburbs, Washington, DC
- Distances
- 5K10KHalf marathon
- Course
- Road or path
- Price
- $57 to $75 plus the platform's processing fee
- Next price increase
- Saturday, October 24, 2026: Half marathon $75 → $80
- Registration
- Open. Opened March 29, online signup closes Saturday, November 21, 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 October 24 to pay $75 instead of $80.
Register on RunSignup →Race website
Course and race notes
Great Falls Half, 10K & 5K. Saturday, November 21, 2026 · Great Falls Tavern, Potomac, MD. Run the C&O Canal towpath along the Potomac, starting and finishing beside Lock 20 at Great Falls Tavern. All three distances head south along the canal past Widewater, Old Angler's Inn and Carderock, then turn for home.
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.