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Triathlon Calendar near Upper Marlboro 2025-2026

Explore the top triathlons near Upper Marlboro for 2025-2026! We've gathered 89 exciting races in the area. Check out our detailed list below to find your next local race.

November 2025
Nov
27
Thursday

The Capital Turkey Trot 10k

10 km
Nov
30
Sunday

EOD Warrior Holiday Dash Marathon

5 km 13 mi 26 mi
December 2025
Dec
6
Saturday

Frozen Footsteps 10k

5 km 10 km
Dec
6
Saturday

Rock Creek Reindeer Rumble 10k

5 km 10 km
Dec
6
Saturday

Army v Navy 5k

5 km
Dec
7
Sunday

Sleigh Bell Strider 10k - Arlington

5 km 10 km
Dec
14
Sunday

Krampus Krawl at Maryland International Raceway 10k

5 km 10 km
Dec
20
Saturday

Candy Cane 10k

5 km 10 km
Dec
21
Sunday

Winter Wonderland 10k

5 km 10 km
Dec
21
Sunday

Santa’s Sleigh Half Marathon

5 km 13 mi
Dec
26
Friday

Boxing Day 10k

5 km 10 km
Dec
28
Sunday

Terrapin Trot 10k

5 km 10 km
January 2026
Jan
31
Saturday

Mid-Maryland Trail Festival 50k

Trail Run 50 km
February 2026
Feb
14
Saturday

Hot for Chocolate 5K - Saint Leonard

5 km
March 2026
Mar
21
Saturday

Rock 'n' Roll Washington DC

5 km 13 mi
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