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Half Marathon Calendar near Southwest Washington 2025-2026

Explore the top half marathons near Southwest Washington for 2025-2026! We've gathered 30 exciting races in the area. Check out our detailed list below to find your next local race.

March 2026
Mar
15
Sunday

St. Patrick's Marathon

5 km Half Marathon Marathon
Mar
21
Saturday

Rock 'n' Roll Washington DC

5 km Half Marathon
April 2026
Apr
26
Sunday

PNC Alexandria Half

5 km Half Marathon
Apr
26
Sunday

Run Thru Reston

5 km Half Marathon
May 2026
May
2
Saturday

Potomac River Run Marathon

13 mi 26 mi
May
3
Sunday

Run for the Wounded Half

5 km 10 km Half Marathon
June 2026
Jun
7
Sunday

Freedom Fighters Half Marathon

5 km 10 km Half Marathon
Jun
27
Saturday

Summer Forest Half Marathon

5 km 10 km Half Marathon
September 2026
Sep
20
Sunday

DCHalf Marathon

5 km Half Marathon
October 2026
Oct
18
Sunday

Fall Run for the Wounded Half

5 km 10 km Half Marathon
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