National Harbor close

Half Marathon Calendar near National Harbor 2026-2027

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Explore the top half marathons near National Harbor for 2026-2027! We've gathered 46 exciting races in the area. Check out our detailed list below to find your next local race.

March 2027
Mar
14
Su

St. Patrick's Half & Marathon

Trail Run Half Marathon Marathon
Mar
20
Sa

Rock 'n' Roll Washington DC

5 km 13 mi
Mar
20
Sa

Operation Enduring Warrior Half

Road Race 5 km 10 km Half Marathon
April 2027
Apr
25
Su

PNC Alexandria Half

3 mi 13 mi
Apr
25
Su

Run Thru Reston

5 km Half Marathon
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May 2027
May
1
Sa

Potomac River Run Marathon

Trail Run Half Marathon Marathon
May
2
Su

National Women's Half Marathon

8 km Half Marathon
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