September is the best month to run a half marathon in Washington D.C.
Washington DC Half Marathon Calendar
Browse all Washington DC Half Marathons in 2025 by month and by city below. For each race, you’ll find the history of the half marathon and the course, the most recent year’s course maps, elevation profiles, runner reviews, pricing, and how to sign up.
We dedicated dozens of hours every month searching for races to include in the Washington DC Half Marathons calendar. If you happen to see any half marathon not included, contact us at [email protected] to submit your race.
Filter Washington DC Half Marathons
Race Size
Difficulty
Scenery
Type
Perfect For
Distances
Filter Washington DC Half Marathons
Race Size
Difficulty
Scenery
Type
Perfect For
Distances
May 4, 2025
100-500 runners
Washington DC, Washington DC
May 4, 2025
1,000-10,000 runners
West Potomac Park, Washington DC
September 7, 2025
100-500 runners
Washington DC, Washington DC
Running in Washington DC
FAQ
What are the most popular Washington D.C. half marathons?
The most popular Washington D.C. half marathon is the St. Jude Rock ‘n’ Roll Washington DC with 13,381 half marathon finishers. The second most popular Washington D.C. half marathon is the DC Half with 4,088 finishers.
What are the best Washington D.C. half marathons for beginners in 2024?
The Washington half marathons that we recommend most frequently for beginners are the:
St. Jude Rock ‘n’ Roll Washington DC: An Our impressive, award winning course with views of all the monuments in our nation’s capital.
DC Half: Hosted by local community running store, Pacers Running, the course takes place mostly alongside the Potomac River.
What’s the best month to run a half marathon in Washington D.C.?
