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District of Columbia Triathlon Calendar 2025-2026

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Explore the best triathlons in District of Columbia for 2025-2026! Our updated list features 54 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
14
Sunday

Reindeer Romp 10k - Washington

5 km 10 km
Dec
14
Sunday

Jingle 5K - Southwest Washington

5 km 15 km
Dec
20
Saturday

Rudolph’s Race Half Marathon

5 km Half Marathon
Dec
20
Saturday

FAOA 10k

5 km 10 km
Dec
21
Sunday

Santa’s Sleigh Half Marathon

5 km Half Marathon
Dec
24
Wednesday

Christmas Eve 10k

5 km 10 km
Dec
31
Wednesday

FVLD Fun Run & Walk

5 km
January 2026
Jan
1
Thursday

DC New Year's 10k

5 km 10 km
Jan
3
Saturday

Run at the Boathouse 10k

5 km 10 km
Jan
4
Sunday

Hains Point 10k

5 km 10 km
Jan
11
Sunday

Winter Georgetown Half

5 km Half Marathon
February 2026
Feb
1
Sunday

Winter Rock Creek 10k

5 km 10 km
Feb
15
Sunday

Valentine's Day Half

5 km Half Marathon
Feb
21
Saturday

Belle Haven 10k

5 km 10 km
Feb
22
Sunday

Dash Around the Point 10k

5 km 10 km
Feb
28
Saturday

Potomac River Views 10k

5 km 10 km
March 2026
Mar
1
Sunday

District Dash Half

5 km Half Marathon
Mar
15
Sunday

St. Patrick's Marathon

5 km Half Marathon Marathon
Mar
21
Saturday

Rock 'n' Roll Washington DC

5 km Half Marathon
Mar
21
Saturday

Rock Creek 10k

5 km 10 km
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