September in Washington, D.C., is one of the best times to race. The summer humidity fades, the monuments are still buzzing with visitors, and the city’s tree-lined routes start turning gold. Whether you’re chasing a new personal best or looking for a scenic tour of the capital, these upcoming half marathons give you plenty of reasons to lace up this fall.
DC Half Races
Date: Saturday, September 19, 2026 City: Washington, District of Columbia
With a quality score of 62, this race is a solid pick for anyone wanting a well-organized half through the heart of D.C. The course winds past iconic landmarks, and the September date means you can enjoy cooler running weather. It’s a great option for first-timers and veterans alike—plus, the finisher experience is always memorable.
2026 20th Abebe Bikila Marathon & Half
Date: Saturday, September 5, 2026 City: Washington, District of Columbia
Named after the legendary Ethiopian marathoner, this event honors a trailblazer of the sport. The half marathon course offers a mix of urban scenery and parkland, with support from the local running community. It’s a race with history, and the early September date makes it a perfect kickoff to fall racing season.
Autumn Georgetown 5K & Half
Date: Sunday, September 20, 2026 City: Washington, District of Columbia
Georgetown is one of D.C.’s most charming neighborhoods, and this race takes full advantage of its cobblestone streets and waterfront views. The half marathon is a smaller, more intimate event—perfect if you prefer a race that feels more like a community gathering. Plus, the autumn foliage along the course is a bonus.
2026 20th ACE Health Foundation Abebe Bikila Marathon & Half
Date: Saturday, September 5, 2026 City: Washington, District of Columbia
Another opportunity to run the Abebe Bikila course—this time benefiting the ACE Health Foundation. With a quality score of 44, it’s a no-frills race that focuses on the experience and the cause. The same scenic route on the same weekend gives you options: choose the race that aligns with your goals or your charitable heart.
Plan Your Next Race
Whether you’re aiming for a PR, ticking off a new state, or just want a fun weekend in D.C., these half marathons are worth a look. Spots can fill up, especially for the more popular races, so don’t wait too long. Browse the full list of half marathons in District of Columbia to find your perfect race.