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Triathlon Calendar near Fairfax Station 2025-2026

Explore the top triathlons near Fairfax Station for 2025-2026! We've gathered 145 exciting races in the area. Check out our detailed list below to find your next local race.

November 2025
Nov
29
Saturday

Ugly Sweater Dash Half Marathon

5 km 10 km 13 mi
December 2025
Dec
6
Saturday

Frozen Footsteps 10k

10 km
Dec
6-7
Sa - Su

Devil Dog Ultras

Trail Run 50 km 100 km 100 mi
Dec
7
Sunday

Fall Backyard Burn Trail Run - Fountainhead

Trail Run 5 mi 10 mi
Dec
7
Sunday

Sleigh Bell Strider 10k - Arlington

10 km
Dec
13
Saturday

Frosty 5K

5 km
Dec
31
Wednesday

Running Out of Time 12k

12 km
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