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Triathlon Calendar near Leesburg 2025-2026

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Explore the top triathlons near Leesburg for 2025-2026! We've gathered 58 exciting races in the area. Check out our detailed list below to find your next local race.

September 2025
Sep
7
Sunday

Reston Triathlon

Triathlon
Sep
14
Sunday

Valley View Hard Cider Challenge Half

Trail Run 5 km 10 km 13 mi
Sep
20
Saturday

Burke Lake 10k

10 km
Sep
20
Saturday

Kensington 8K

2 mi 8 km
Sep
20
Saturday

Run On The Rocks

10 mi 13 mi 20 mi
Sep
21
Sunday

Parks Half Marathon

13 mi
October 2025
Oct
4
Saturday

MoCo Cares Charity Race

5 km 10 km
Oct
4
Saturday

Freedom's Run

5 km 10 km 13 mi 26 mi
Oct
4
Saturday

Miles for Mammograms 10k

10 km
Oct
11
Saturday

Run the Vineyards Williams Gap

5 km
Oct
11
Saturday

Racin' to Beat Cancer Half

5 km 10 km 13 mi
Oct
12
Sunday

Rick O'Donnell Memorial Ultra Challenge

Trail Run 5 mi 4 hr 8 hr
Oct
19
Sunday

Fall Backyard Burn Trail Run - Lake Fairfax

Trail Run 5 mi 10 mi
Oct
26
Sunday

Halloween Horror 10k

Trail Run 5 km 10 km
Oct
26
Sunday

Ghostly Grapes 10k at Two Twisted Posts

5 km 10 km
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

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
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