Trail Running Calendar United States 2025-2026

Header image

Explore the best trail runs in the United States for 2025-2026! Our updated list features 9777 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

May 2025
May
18
Sunday

Rotary Club of Gryffe Valley 10K

10 km
May
18
Sunday

EveryMile for EveryMind 5K

5 km
May
18
Sunday

Stratham 5K

5 km
May
18
Sunday

Charleston RiverDogs: Run Charlie Run

5 km
May
18
Sunday

Portage Plod 5K

5 km
May
18
Sunday

Jake & Cooper's 5K-9 Run

5 km
May
18
Sunday

The Navy's Bay Bridge Run

4 mi 10 km
May
18
Sunday

The Great World Peace 5K

5 km
May
18
Sunday

Loop the Lemur at the Ross Park Zoo

Backyard Ultra 1 hr 2 hr 6 hr
May
18
Sunday

Runway 5k - Swanzey

5 km
May
18
Sunday

NYC Teen Race of Hope

5 km
May
18
Sunday

Shi-Tri

Triathlon
May
18
Sunday

Upper Dublin Triathlon

Triathlon
May
18
Sunday

Epic Marathon

5 km 13 mi 26 mi
May
18
Sunday

Game On Ponte Vedra Beach Triathlon

Triathlon
May
18
Sunday

Last Trail Standing - Rise Up Hero Trail Runs at Settlers Cabin Park - 25K

Trail Run 5 km 10 km 15 km 25 km
May
18
Sunday

New England Season Opener

Triathlon
May
18
Sunday

Playtri Fort Worth Triathlon

Triathlon
May
18
Sunday

Nutty Troll

21 km 26 mi 50 km
May
18
Sunday

Dawn's 5k Dash

5 km
Articles
The Beauty of the Easy Run — Why slowing down might be the smartest thing you do for your running
Mizuno Wave Rider 28: Elevating the Legacy of a Running Icon
Garmin Forerunner Review: Garmin Forerunner Series
Stride with Confidence: A Comprehensive Guide to Saucony Running Shoes