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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.

June 2026
Jun
27
Saturday

Summer Forest Half Marathon

5 km 10 km 21 km
July 2026
Jul
19
Sunday

Semper FI 10k

5 km 10 km
October 2026
Oct
18
Sunday

Fall Run for the Wounded Half

5 km 10 km 21 km
Oct
25
Sunday

Halloween Horror 10k

Trail Run 5 km 10 km
December 2050
Dec
31
Saturday

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