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14 marathons found for "District of Columbia", Half marathon, United States. Keep the list broad first, then tighten the filters when a race looks realistic.





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Washington, District of Columbia, United States
11NOV
21.1K
Service and Sacrifice 5k & Half
Washington, District of Columbia, United States
November 11, 2026 NOV
Washington, District of Columbia, United States
15NOV
21.1K
Turkey Tumble for Autism 5k, 10k, & Half
Washington, District of Columbia, United States
November 15, 2026 NOV
Washington, District of Columbia, United States
22NOV
21.1K
DC Turkey Trot 5k & Half
Washington, District of Columbia, United States
November 22, 2026 NOV
Washington, District of Columbia, United States
06DEC
42.2K
EOD Warrior Holiday Dash 5k, Half, & Marathon
Washington, District of Columbia, United States
December 6, 2026 DEC
Washington, District of Columbia, United States
19DEC
21.1K
Rudolph’s Race 5k & Half
Washington, District of Columbia, United States
December 19, 2026 DEC
Washington, District of Columbia, United States
20DEC
21.1K
Santa’s Sleigh 5k & Half
Washington, District of Columbia, United States
December 20, 2026 DEC
Washington, District of Columbia, United States
01JAN
21.1K
DC New Year’s 5k & 10k
Washington, District of Columbia, United States
January 1, 2027 JAN
Washington, District of Columbia, United States
03JAN
21.1K
Winter Hains Point 5k & 10k
Washington, District of Columbia, United States
January 3, 2027 JAN
Washington, District of Columbia, United States
17JAN
21.1K
Winter Georgetown 5k & Half
Washington, District of Columbia, United States
January 17, 2027 JAN
Washington, District of Columbia, United States
14FEB
21.1K
Valentine’s Day 5k & Half
Washington, District of Columbia, United States
February 14, 2027 FEB
Washington, District of Columbia, United States
14MAR
42.2K
St. Patrick’s 5k, Half & Marathon
Washington, District of Columbia, United States
March 14, 2027 MAR
District of Columbia, United States
20MAR
ULTRA
Rock 'n' Roll Washington DC
District of Columbia, United States
March 20, 2027 MAR
Washington, District of Columbia, United States
01MAY
42.2K
Potomac River Run Marathon & Half
Washington, District of Columbia, United States
May 1, 2027 MAY
District of Columbia, United States
02MAY
ULTRA
National Women's Half Marathon & 8K
District of Columbia, United States
May 2, 2027 MAY

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