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Triathlon Calendar near Greenbelt 2025-2026

Explore the top triathlons near Greenbelt for 2025-2026! We've gathered 150 exciting races in the area. Check out our detailed list below to find your next local race.

April 2026
Apr
26
Sunday

PNC Alexandria Half

5 km 13 mi
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
17
Sunday

Capitol Hill Classic 10K

3 km 10 km
June 2026
Jun
6
Saturday

Baltimore 10 Miler

10 mi
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