Maryland · Half Marathon
Founders Half Marathon
Founders Half Marathon is a half marathon event held in Potomac, Maryland. Its next confirmed date is Sunday, December 13, 2026. About 500 runners take part across all distances.
- Race day
- December 13, 2026
- Location
- Potomac, MD
- Field size
- ~500 runners
Race details
- Date
- Sunday, December 13, 2026
- Location
- Potomac, Maryland
- Distances
- Half Marathon
- Field size
- About 500 runners
- Registration
- runsignup.com
- Official website
- dcroadrunners.org
Registration, course & weather
- Registration status
- Open
- Start time
- 9:00 AM EST
- Course profile
- Out-and-back course; Mostly trail, some road
- Typical race-day weather
- about 29°F at the start, 82% humidity, 13 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 26, 2026)
About the Founders Half Marathon
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. Previously-USATF certified course, click here for map . We intend to recertify the course before race day, subject to completion of construction in the vicinity of Canal Lock 5. We'll make sure the cou…
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Coming up next, by confirmed date.
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Maryland Turkey Trot 5k & 10kPotomac, MD10K5KVirtual with MedalVirtual with Medal and Shirt +1 more
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Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Founders Half Marathon: common questions
- When is the Founders Half Marathon?
- The next confirmed date is Sunday, December 13, 2026.
- Where is the Founders Half Marathon held?
- In Potomac, Maryland.
- What distances does the Founders Half Marathon offer?
- Half Marathon.
- How many people run the Founders Half Marathon?
- About 500 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Founders Half Marathon?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Founders Half Marathon?
- Yes — registration is open. $10 (from runsignup.com, checked September 26, 2026).
- What time does the Founders Half Marathon start?
- 9:00 AM EST.
- What is the course like at the Founders Half Marathon?
- Out-and-back course; Mostly trail, some road.
- What is race-day weather usually like at the Founders Half Marathon?
- about 29°F at the start, 82% humidity, 13 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 26, 2026).
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.