View some of the best Half Marathon races in Washington, District Of Columbia! RaceMob's race calendar allows you to find races that suits your needs. Use our advanced filters below or calendar on the right, and discover new races. We try to maintain up to date information, and rely heavily on our community of volunteers. If you find a race that we're missing, use the "Suggest Race" button on the right. Find RaceMob discounts that others have added or add deals that you've discovered.
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...
The 2026 PNC Alexandria Half is happening in Old Town Alexandria on April 26th! The event includes a Half Marathon, 5K and the Kids Dash. The half marathon event offers an exciting course that starts and finishes in Old Town while also exploring 5...
The 2026 PNC Alexandria Half is happening in Old Town Alexandria on April 26th! The event includes a Half Marathon, 5K and the Kids Dash. The half marathon event offers an exciting course that starts and finishes in Old Town while also exploring 5...
The Virginia Marathon goes through Virginia’s horse and wine country. Developed by Old Dominion Racing, this event will include both live/in-person racing. The live race kicks off in historic Middleburg. Land at Dulles International Airport in Lou...
The Virginia Marathon goes through Virginia’s horse and wine country. Developed by Old Dominion Racing, this event will include both live/in-person racing. The live race kicks off in historic Middleburg. Land at Dulles International Airport in Lou...
The Virginia Marathon goes through Virginia’s horse and wine country. Developed by Old Dominion Racing, this event will include both live/in-person racing. The live race kicks off in historic Middleburg. Land at Dulles International Airport in Lou...
The Virginia Marathon goes through Virginia’s horse and wine country. Developed by Old Dominion Racing, this event will include both live/in-person racing. The live race kicks off in historic Middleburg. Land at Dulles International Airport in Lou...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
Now in its 3rd year, this event burst onto the capital's running scene and has not looked back! After 20+ years of successful events in throughout Maryland as well is other states, Corrigan Sports has brought its compelling race for everyone...
We can't wait to show off one of Maryland's FLATTEST courses, with our Marathon, Half Marathon and 5k events, we welcome you to beautiful Talbot County! Our marathon and half marathon share the first 10.5 miles of the half marathon course) and a 5...
We can't wait to show off one of Maryland's FLATTEST courses, with our Marathon, Half Marathon and 5k events, we welcome you to beautiful Talbot County! Our marathon and half marathon share the first 10.5 miles of the half marathon course) and a 5...
The Grainger Group invites you to join their 3rd Annual We Got Your Six Running Festival on the Indian Head Rail Trail in Charles County, MD, benefiting the Tunnel to Towers Foundation. *This race is capped at 200 participants so register today to...
The Grainger Group invites you to join their 3rd Annual We Got Your Six Running Festival on the Indian Head Rail Trail in Charles County, MD, benefiting the Tunnel to Towers Foundation. *This race is capped at 200 participants so register today to...
The Grainger Group invites you to join their 3rd Annual We Got Your Six Running Festival on the Indian Head Rail Trail in Charles County, MD, benefiting the Tunnel to Towers Foundation. *This race is capped at 200 participants so register today to...
The Grainger Group invites you to join their 3rd Annual We Got Your Six Running Festival on the Indian Head Rail Trail in Charles County, MD, benefiting the Tunnel to Towers Foundation. *This race is capped at 200 participants so register today to...
The Grainger Group invites you to join their 3rd Annual We Got Your Six Running Festival on the Indian Head Rail Trail in Charles County, MD, benefiting the Tunnel to Towers Foundation. *This race is capped at 200 participants so register today to...
The Grainger Group invites you to join their 3rd Annual We Got Your Six Running Festival on the Indian Head Rail Trail in Charles County, MD, benefiting the Tunnel to Towers Foundation. *This race is capped at 200 participants so register today to...
The Grainger Group invites you to join their 3rd Annual We Got Your Six Running Festival on the Indian Head Rail Trail in Charles County, MD, benefiting the Tunnel to Towers Foundation. *This race is capped at 200 participants so register today to...
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