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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 31 exciting races across the region. Find your next race in District of Columbia below and join the running community at these great events!

March 2025
Mar
15
Saturday

Rock 'n' Roll Washington DC

5 km 13 mi
Mar
16
Sunday

St. Patrick's Port City 10k

10 km
Mar
16
Sunday

St. Patrick's Marathon

5 km 13 mi 26 mi
Mar
22
Saturday

Rock Creek 10k

10 km
Mar
29
Saturday

You Are Not Alone 5k

5 km
April 2025
Apr
1
Tuesday

Fools' Day 10k

10 km
Apr
8
Tuesday

Path to Greatness Run

5 km
Apr
12
Saturday

The Alex Manfull Fund 5k

5 km
Apr
13
Sunday

Spring Cleaning Half

5 km 10 km 13 mi
Apr
27
Sunday

PNC Alexandria Half

5 km 13 mi
Apr
27
Sunday

SuperHero SuperDash 10k

10 km
May 2025
May
3
Saturday

Potomac River Run Marathon

13 mi 26 mi
May
11
Sunday

Tricia Davis 5K

5 km
May
17
Saturday

Hero Dogs 5K

5 km
May
18
Sunday

Capitol Hill Classic 10K

3 km 10 km
May
25
Sunday

Spring Georgetown Memorial Half

5 km 13 mi
May
31
Saturday

Capitol City Chase Half

5 km 10 km 13 mi
June 2025
Jun
8
Sunday

EOD Warrior Half

5 km 13 mi
Jun
19
Thursday

You Matter Juneteenth Freedom 5k Run/Walk

5 km
Jun
28
Saturday

Cure for Cluster 5k Run/Walk

5 km
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