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Running Calendar near Herndon 2025-2026

Explore the top running races near Herndon for 2025-2026! We've gathered 173 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
May 2026
May
2
Saturday

Loudoun Serenity House Run

5 km
May
3
Sunday

Run for the Wounded Half

5 km 10 km Half Marathon
May
9
Saturday

Deer Dash 5K

5 km
May
16
Saturday

Two Twisted Posts Winery 10k

5 km 10 km
May
23
Saturday

National Wine Day 10k

5 km
May
30
Saturday

The More Miles Last One Standing Challenge

Backyard Ultra 4 mi
June 2026
Jun
7
Sunday

Freedom Fighters Half Marathon

5 km 10 km Half Marathon
Jun
13
Saturday

OSS/CIA 50 Mile Night Run

Trail Run 25 mi 50 mi
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
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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