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District of Columbia Half Marathon Calendar 2025-2026

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Explore the best half marathons in District of Columbia for 2025-2026! Our updated list features 14 exciting races across the region. Find your next race in District of Columbia below and join the running community at these great events!

December 2025
Dec
20
Sa

Rudolph’s Race Half Marathon

5 km Half Marathon
Dec
21
Su

Santa’s Sleigh Half Marathon

5 km Half Marathon
January 2026
Jan
11
Su

Winter Georgetown Half

5 km Half Marathon
February 2026
Feb
15
Su

Valentine's Day Half

5 km Half Marathon
March 2026
Mar
15
Su

St. Patrick's Marathon

5 km Half Marathon Marathon
Mar
21
Sa

Rock 'n' Roll Washington DC

5 km Half Marathon
April 2026
Apr
19
Su

Spring Cleaning Half

5 km 10 km Half Marathon
Apr
26
Su

PNC Alexandria Half

5 km Half Marathon
May 2026
May
2
Sa

Potomac River Run Marathon

13 mi 26 mi
May
24
Su

Spring Georgetown Memorial Half

5 km Half Marathon
May
31
Su

Capitol City Chase Half

5 km 10 km Half Marathon
June 2026
Jun
14
Su

EOD Warrior Half

5 km Half Marathon
September 2026
Sep
20
Su

DCHalf Marathon

5 km Half Marathon
Sep
20
Su

DC Half Races - Washington

5 km Half Marathon