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Triathlon Calendar near Southeast Washington 2025-2026

Explore the top triathlons near Southeast Washington for 2025-2026! We've gathered 199 exciting races in the area. Check out our detailed list below to find your next local race.

March 2026
Mar
7
Saturday

No Man's 50K

Trail Run 25 km 50 km
Mar
21
Saturday

Rock 'n' Roll Washington DC

5 km 13 mi
Mar
28
Saturday

Capital Backyard Ultra

Backyard Ultra 4 mi
April 2026
Apr
4
Saturday

Bull Run Run 50 Miler

Trail Run 50 mi
Apr
4
Saturday

Hope for Horses 10k

5 km 10 km
Apr
11-12
Sa - Su

Credit Union Cherry Blossom

5 km 10 mi
Apr
12
Sunday

Breeze Thru the Trees 5k

Trail Run 5 km
Apr
26
Sunday

PNC Alexandria Half

5 km 21 km
May 2026
May
2
Saturday

Farm Park Challenge

Trail Run 25 km 3 hr 6 hr 10 hr
May
2
Saturday

Go Gray in May

5 km
May
2
Saturday

Potomac River Run Marathon

13 mi 26 mi
May
3
Sunday

Run for the Wounded Half

5 km 10 km 21 km
May
17
Sunday

Capitol Hill Classic 10K

3 km 10 km
June 2026
Jun
7
Sunday

Cal Tri DC

Triathlon
Jun
7
Sunday

Freedom Fighters Half Marathon

5 km 10 km 21 km
Jun
13
Saturday

OSS/CIA 50 Mile Night Run

Trail Run 25 mi 50 mi
Jun
27
Saturday

Summer Forest Half Marathon

5 km 10 km 21 km
August 2026
Aug
15
Saturday

MD Heat Trail Race

Trail Run 25 km 50 km
October 2026
Oct
18
Sunday

Fall Run for the Wounded Half

5 km 10 km 21 km
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