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Running Calendar near Herndon 2025-2026

Explore the top running races near Herndon for 2025-2026! We've gathered 187 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
June 2026
Jun
27
Saturday

Summer Forest Half Marathon

5 km 10 km Half Marathon
August 2026
Aug
29
Saturday

The Inferno 10k

Trail Run 5 km 10 km
September 2026
Sep
5
Saturday

Dog Days of Summer 10k

5 km 10 km
Sep
5
Saturday

Arlington Police, Fire, Sheriff and ECC 9/11 Memorial 5K

5 km
Sep
20
Sunday

DCHalf Marathon

5 km Half Marathon
October 2026
Oct
18
Sunday

Fall Run for the Wounded Half

5 km 10 km Half Marathon
Oct
25
Sunday

Halloween Horror 10k

Trail Run 5 km 10 km
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