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Trail Running Calendar near Fairfax 2025-2026

Explore the top trail runs near Fairfax for 2025-2026! We've gathered 144 exciting races in the area. Check out our detailed list below to find your next local race.

May 2025
May
10
Saturday

Azalea Classic

5 km
May
10
Saturday

Spring Burke Lake Half

5 km 10 km 13 mi
May
10
Saturday

National Police Week 5K

5 km
May
11
Sunday

Tricia Davis 5K

5 km
May
11
Sunday

Devotion to Children Mother's Day 4 Miler

4 mi
May
11
Sunday

Sunshine Sprint 5K

5 km
May
11
Sunday

Mom's Day 5K

5 km
May
13
Tuesday

Tuesday Night 5k

5 km
May
17
Saturday

Two Twisted Posts Winery 10k

10 km
May
17
Saturday

Gainesville High School Cardinal 5K Run/Walk

5 km
May
17
Saturday

Hero Dogs 5K

5 km
May
17
Saturday

Sanders Corner ES 5K Run/Walk

5 km
May
17
Saturday

Carderock Half

5 km 10 km 13 mi
May
17
Saturday

RCMS 5K

5 km
May
18
Sunday

Capitol Hill Classic 10K

3 km 10 km
May
18
Sunday

EveryMile for EveryMind 5K

5 km
May
18
Sunday

Fountainhead Half Marathon Trail Run

Trail Run 10 km 13 mi
May
18
Sunday

Neabsco 10k

10 km
May
18
Sunday

MCRRC Run Aware

5 km
May
18
Sunday

OSG 10k

10 km
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