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Triathlon Calendar near Manassas 2025-2026

Explore the top triathlons near Manassas for 2025-2026! We've gathered 185 exciting races in the area. Check out our detailed list below to find your next local race.

March 2026
Mar
7
Saturday

Winter Conway Robinson 10k

Trail Run 5 km 10 km
Mar
15
Sunday

The Lucky Run 5k

5 km
Mar
21
Saturday

Rock 'n' Roll Washington DC

5 km 13 mi
Mar
22
Sunday

Virginia Marathon

5 km 10 km 21 km 42 km
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
4
Saturday

Molon Lave 5k

Trail Run 5 km
Apr
11-12
Sa - Su

Credit Union Cherry Blossom

5 km 10 mi
Apr
19
Sunday

Barrel Oak 6k

Trail Run 3 km 6 km
Apr
25
Saturday

Middleburg Wellness Day 5K

5 km
Apr
26
Sunday

PNC Alexandria Half

5 km 21 km
May 2026
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
16
Saturday

Two Twisted Posts Winery 10k

5 km 10 km
May
17
Sunday

Capitol Hill Classic 10K

3 km 10 km
May
23
Saturday

National Wine Day 10k

5 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
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