United States close

Trail Running Calendar United States 2026-2027

Header image

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4030 exciting trail runs across the country. Find your next trail run in the United States below and join the trail community at these great events!

October 2026
A multi format trail event on the Granite Town Rail Trail in Brookline and Milford NH on October 17 and 18 2026, featuring 7.5 mile relays, 15 mile and 30 mile races and a 30 hour ultramarathon. Proceeds support local trail conservation.
Experience the technical trails of the Tillamook Forest with a steep 25K summit run, a scenic 50K along the Wilson River, or a new 11 mile point to point course.
Trail races in Duluth, MN on October 17–18, 2026 including 100K, 50K, a half marathon and 10K on the Superior Hiking Trail.
Trail-based 5K, 10K and half-marathon at Laurel Hill Park with chip timing, finisher coin, technical shirt, virtual option, and charity partner Operation Turbo.
A Halloween-themed 5K on the Lehigh Valley Trail in Mendon, NY with in-person and virtual options, a costume contest, prizes, and a post race brew.
A Halloween themed 5K trail run and 1 mile zombie walk at Ann & Chuck Dever Regional Park on October 17, 2026 supporting the Zoomers scholarship fund.
A 13.6 mile point to point trail run across Lake Barkley and Kentucky Lake bridges, with two and three person relay options and leash required dogs welcome.
Trail races at H.W. Lewis Ranch in Leakey TX on rugged rocky, dirt, and grass ATV trails, with multiple distances including a 50K featuring substantial elevation gain.
A 100 Mile ultra trail in Hickory with solo and team entries, a 4 mile loop course that is about 70% trails, 17,230+ feet of elevation and a stadium start/finish.
Mountain up-and-down race at Cranmore Mountain in North Conway offering 10 km and 5 km options, USATF sanctioned and $7,500 in prize money for 2026.
Trail running festival at Yellowwood State Forest on Oct 17, 2026, featuring 8M, half, marathon, 50K and a 2–4 person 50K relay with camping and course GPX files.
Trail races inside Marshall Gold Discovery State Historic Park offering distances from a kids run to a half marathon across singletrack, fire road climbs, and stocked aid stations.
Chip timed half marathon and 10K through the Alabama Hills with Mt Whitney views, raising funds for the John Wayne Cancer Foundation on October 17, 2026.
Rootrock Trail Run at Briar Chapel on October 17, 2026 offers 5K, 10K and half marathon on root and rock strewn single track with awards and a kids treasure race.
Cave Creek Thriller on October 17, 2026 offers 50K, 24K, 11K and 5K trail races around Cave Creek Regional Park and on the Maricopa Trail with cupless aid stations.
A weekend ultra on private one mile single track loops in Crystal Springs Mississippi with camping and basic amenities included for a $25 entry.
A 3.5 mile trail run and walk on the scenic, flat Mill Pond Trail at Woodtick Recreation in Wolcott CT on October 17, 2026. Tiered online registration is available and a post-event meal is included with registration.
A trail 10K in Olathe, KS on October 17, 2026 organized by Team Sparkle with water-only aid, a cupless policy, and a portion of entry fees donated to Urban Trail Co.
Trail races at Sam Houston Jones State Park on October 17, 2026 with 50K, 25K and 7.78 mile options plus an 8 mile ruck division.
Point to point 50K on October 17, 2026 along the Florida National Scenic Trail west corridor, requiring GPX navigation and a carried phone.
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.