Southwest Washington close

Half Marathon Calendar near Southwest Washington 2025-2026

Monthly updates for Southwest Washington

Get new running races (and updates) in your inbox every month.

Explore the top half marathons near Southwest Washington for 2025-2026! We've gathered 36 exciting races in the area. Check out our detailed list below to find your next local race.

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
10
Sa

Winter Carderock Half

5 km 10 km Half Marathon
Jan
11
Su

Winter Georgetown Half

5 km Half Marathon
Jan
24
Sa

Winter Burke Lake Half

5 km 10 km Half Marathon
Jan-Feb
31-1
Sa - Su

Little Patuxent River Half Marathon

Trail Run 3 mi 7 mi 13 mi
February 2026
Feb
1
Su

The Great Frosty Forest 50k

Trail Run 5 km 10 km ... Marathon 50 km
Feb
14
Sa

Falling for You Half

5 km 10 km Half Marathon
Feb
14
Sa

Lovers Half

5 km 10 km 13 mi
Feb
15
Su

Valentine's Day Half

5 km Half Marathon
Feb
22
Su

Rosaryville Ramble Half

5 km 10 km Half Marathon
March 2026
Mar
1
Su

District Dash Half

5 km Half Marathon
Mar
15
Su

St. Patrick's Marathon

5 km Half Marathon Marathon
Mar
21
Sa

Rock 'n' Roll Washington DC

5 km Half Marathon
Mar
28
Sa

Racin' Around the Lake Half

5 km 10 km Half Marathon
Mar
29
Su

B&A Trail Marathon

Trail Run Half Marathon Marathon
Mar
29
Su

Operation Enduring Warrior Half

5 km 10 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
Apr
26
Su

Run Thru Reston

5 km Half Marathon