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Triathlon Calendar near Derwood 2025-2026

Explore the top triathlons near Derwood for 2025-2026! We've gathered 96 exciting races in the area. Check out our detailed list below to find your next local race.

October 2025
Oct
11
Saturday

Racin' to Beat Cancer Half

5 km 10 km 13 mi
Oct
11
Saturday

Latinas Leading Tomorrow (LLT) Reach for the Stars 5K

5 km
Oct
12
Sunday

Rick O'Donnell Memorial Ultra Challenge

Trail Run 5 mi 4 hr 8 hr
Oct
14
Tuesday

Tuesday Night 5k

5 km
Oct
18
Saturday

Harvest Hills Half

5 km 10 km 13 mi
Oct
19
Sunday

Fall Backyard Burn Trail Run - Lake Fairfax

Trail Run 5 mi 10 mi
Oct
26
Sunday

Ghostly Grapes 10k at Two Twisted Posts

5 km 10 km
Oct
26
Sunday

Marine Corps Marathon

26 mi
Oct
26
Sunday

Oktoberfest 5-Miler

5 mi
November 2025
Nov
2
Sunday

Fall Backyard Burn Trail Run - Riverbend

Trail Run 5 mi 10 mi
Nov
2
Sunday

For the Health of It 5k

5 km
Nov
8
Saturday

Stone Mill 50 Mile Run

Trail Run 50 mi
Nov
8
Saturday

Rosaryville Veterans Day Trail Race

Trail Run 50 km
Nov
8
Saturday

Schaeffer Half Marathon and 10K Trail Run

Trail Run 10 km 13 mi
Nov
8
Saturday

Veteran's Day Defenders Dash 10k

5 km 10 km
Nov
8
Saturday

Veteran's Lorton 10k

10 km
Nov
8
Saturday

Salute the Troops 10k

5 km 10 km
Nov
16
Sunday

Fall Backyard Burn @ Hemlock

Trail Run
Nov
22
Saturday

Run Under the Lights

5 km
Nov
22
Saturday

Port City Turkey Trot 10k

10 km
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