Trail Running Calendar United States 2026-2027

A multi distance trail festival in Castle Rock featuring a family adventure run plus 5K, 10K, half marathon and 50K ultramarathon across Philip S. Miller Park and Ridgeline Open Space. Events include chip timing, finisher medals and aid sta..

Honor history at the Mogadishu Mile, a four person team obstacle course and one mile ruck run in Georgetown. Work together to complete 500 total reps and a weighted run without leaving any team member behind.

An endurance run at Boling Park in Canton, GA held on October 3, 2026. Runners complete repeated one mile crushed gravel laps in an 8 hour or 12 hour format with on-course aid, electronic lap counting, and completion awards.

Trail race in Dahlonega, GA with a Half Marathon and a 50K on three roughly 10 mile loops and 5000 feet of gain. Three vegetarian friendly aid stations and a 12 hour cut off are provided.

A timed trail ultra in Cumberland RI offering 8 hour, 12 hour, and 34 hour options for individuals and teams up to four. The 4.2 mile loop mixes smooth trail and moderately technical rocky sections.

A trail running event at Rocky Branch Park with on-site and virtual 5K and 10K options; timing uses bib chips, participants receive a branded T-shirt and sticker, and proceeds support the Pancreatic Cancer Action Network.

A trail running event in Girdwood, Alaska on October 3, 2026 offering marathon, half marathon, juniors half, and a 5K across local trails. Five aid stations, a marathon cutoff at Crow Creek Road, and proceeds support the Girdwood Nordic Ski..

The 8th Annual WQMX 5Kay offers a 5K run and 1 mile walk across unpaved Rufener Hilltop Farms in Mogadore, Ohio, with medals by age group and proceeds supporting WQMX Bosom Buddies for free mammograms.

The Goliathon will take place in East Greenwich Township on Saturday 3 October 2026. You can run 4 miles.

Trail-based five mile race and two mile fun walk at Camp Innabah in Spring City, PA on October 3, 2026. Proceeds support summer camping programs and scholarships, with a pancake breakfast and awards for overall and age groups.

The Camp 4 Coffee Cart to Cart Trail Race will take place in Crested Butte on Saturday 3 October 2026. You can run between 10 and 19 miles.

A one-day festival of road and trail races at Tom Triplett Park on 10/03/2026, from a 1-mile fun run to a half marathon, plus a 35 lb Memorial Ruck, medals, shirts, awards, and a 25% donation to Effingham Navigators.

A fall trail event at Lapham Peak State Forest featuring timed 5K and 10K runs, accessible walk options, and a free 1K Smokey Bear run for children age 10 and under; participant shirts, awards, and post-event treats are included.

Trail Run at Indian Lake takes place on Oct 3, 2026 at Indian Lake County Park. The event is cup free, includes a free kids run with no registration, and features a post race party with live music and a raffle.

The John Holmes Trail Run takes place at Croom Park and Withlacoochee State Forest on October 3, 2026, offering 50K, 16 mile and 9 mile options. The field is limited to 250 runners and this is the event's 34th running.

A 12 hour trail event in Prince William Forest Park on a 6.5 mile figure eight loop, featuring varied single track and fire road, two aid stations, and a limited field.

A six hour timed trail event at Brady's Run Park on a 2.1 mile loop featuring steep opening climbs, ridgeline single track and technical switchback descents. Open to solo runners and two person relay teams with awards for top finishers.

A trail event at Dorothy Pecaut Nature Center in Sioux City on October 3, 2026. It features a 5 Mile trail run, hike or ruck plus a kids 1k, marked trails, notable elevation gain, and age group awards.

Trail running through Fenn Valley vineyards on October 3, 2026, with a timed, challenging 5K and an untimed 1 mile course amid harvest sights and smells.

Love Yourself First Masquerade 5K is an in-person and virtual run and walk on October 3, 2026 in Missouri City, TX. The themed event focuses on domestic violence awareness, solidarity, and creating a space for education and healing.