Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4125 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A 30K trail race at Mount Airy Forest in Cincinnati made of three 10K loops. Finishers receive a t-shirt and medal; the race counts toward the Alpine Trail Race Series and awards series points.

A night 5K at Lakeside Park with mixed trail terrain, reflective markers, and required personal lighting; finishes receive handmade medals and proceeds benefit the Pawling Recreation Department.

A 10 kilometer trail race at Alderfer Ranch in Evergreen Colorado on June 27 2026. The event includes shuttles from Wulf Rec Center, vendor tents, on-site food and water refill stations while the course is supported by course marshals.

Hourly 4.1667 mile Backyard Ultra loops at Countryside YMCA in Lebanon Ohio on June 27 2026, plus fixed 12 hour and 24 hour backyard options. Field limited to 150 runners and crews are limited to three people per runner.

Riggs CAT Rock N Run 5K on June 27, 2026 at Martin Marietta Hatton Quarry in Cove AR features a chip timed 5K, an untimed family fun run, cash prizes for top finishers and post race activities including rock painting and a vendor area.

A community trail event in Fayetteville combining a 1K adaptive dash for families affected by autism and a 5K loop through Kessler Mountain, organized by Mitchell’s Mountain to support local services and accessible trail development.

Timed endurance races on a 5K loop at Heritage Park in Adrian Michigan offering 3 hour and 6 hour formats, central aid stations, organized registration, finisher recognition and a post event gathering.

A trail race near Issaquah, WA offering 50K, half marathon, 5 mile and kids races across Tiger Mountain trails with steep climbs, ridge running, aid stations and finish‑area food.

A trail run on the forested slopes of Mt. Shasta with sustained climbs, runnable descents, and multiple distance options. The long route reaches the top of every chairlift while a shorter roughly 5k goes to the Marmot lift.

A full and half marathon in Kinlichee, Arizona on June 27, 2026, following an out and back course along Highway 264 through Navajo sandstone canyon and local wash. Water stations and medical support are provided.

Trail races through a private deer preserve in Altoona, AL on Jun 27, 2026 offering two, four and ten mile looped divisions. The ten mile division includes three one-shot target stages with time penalties for misses.

A community 5k on June 27, 2026 in Carrier Mills, Illinois offering a 5k run and a 5k walk to support the local cross country team, with registration fee of $25, a T-shirt deadline of June 13, and awards for top finishers.

A charity team challenge on June 27, 2026 in Bristol, NH that recreates Special Forces mission tasks. Teams of 6–12 choose Operator or Recruit levels, with awards for top teams, MVPs, fundraising leaders, and participant milestones.

Trail runs at Rocky Ridge County Park on June 27, 2026 offering 50K, 33.3K, 16.7K and 10K on rocky, rolling trails with repeated loops. Registration deadlines apply and proceeds support a local charity.

Repeated 6.55 mile loops start every 90 minutes near Richfield Utah, letting runners cover set milestones from 10K to about 100 miles while continuing up to 24 hours. Each loop must be finished within the time limit and the farthest runner..

A 5K and a kids 1K fun run at Willamette Valley Vineyards in Turner, Oregon on June 27, 2026. Registration fees vary by date and the kids 1K registration includes a shirt.

A trail run at Mack Park on June 27, 2026 with 11.5 mile and 10K courses featuring asphalt, dirt road, trail, and creek crossings; packet pick up is June 25 and 26 at The Smithfield Rec Center.

A first ever mud obstacle course in Adrian City Park on June 27 as part of the 250th Independence Day celebration, titled 5K with a listed distance of 3 miles, featuring mud, fitness challenges, and awards for the top three finishers.

A strategy-driven trail event at Paintsville Lake State Park where a marked half marathon course includes ten optional off-trail checkpoints with time bonuses. Two checkpoints are drawn mandatory at the start and skipping them creates penal..

A chip timed 5K through Sheldrake Point Winery with vineyard trails and Cayuga Lake views, a tech shirt and stemless wine glass for participants, age based awards, and a complimentary glass of wine for finishers 21 and over.

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.