Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 3909 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A 25K trail race at Edwin L. Smith Preserve in Kennebunkport, ME on October 3, 2026, with proceeds benefiting the Kennebunkport Conservation Trust and registration capped at 100.

Trail races in Middleville, MI on October 3, 2026 with 10K, 25K and 50K loop courses at Deep Lake Campground.

Experience a trail half marathon on San Bruno Mountain featuring 2,400 feet of elevation gain and stunning views. Enjoy a scenic route with 93 percent trail coverage followed by a post race meal and finishers medal.

Trail races on Philip S. Miller Park ridgelines include a family adventure run plus 5K, 10K, half marathon and 50K with chip timing and aid stations.

An annual military fitness tribute at Queenslake Horse Farm in Georgetown, Kentucky honoring the 19 fallen heroes with a weight carrying challenge and a full day music festival.

A scenic 5K through Estes Park during Elk Fest with shuttle transport from the Visitor Center and a finish at Performance Park.

Eight hour and 12 hour endurance runs on an approximately one mile crushed gravel loop at Boling Park in Canton GA with electronic lap counting and on course aid.

Trail race in Dahlonega, GA offering a 50K and half marathon across three ~10-mile loops with 5000' elevation gain and three aid stations.

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.

Trail races on October 3, 2026 in Girdwood, Alaska featuring a 26.2 mile marathon, half and 5 km options, five aid stations, wildlife precautions, and proceeds supporting local trail maintenance.

WQMX 5KAY is the 8th annual 5K run with a one mile walk option at Rufener Hilltop Farms in Mogadore on October 3, 2026. Net proceeds support WQMX Bosom Buddies and age group medals are awarded.

Set in Walla Walla on October 3, 2026, this event features a half marathon, 10K and a memorial Heroes 5K across asphalt paths, gravel roads and rolling hills, with finisher medals, early-registration shirts and post-race refreshments.

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.

Run Forrest Run in Pooler, GA on 10/03/2026 offers 1 mile, 5K, 10K and half marathon options; 25% of registrations support Effingham Navigators and all finishers receive medals.

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.

Two trail routes around Indian Lake County Park in Cross Plains, Wisconsin feature wetlands, forested slopes, and a section of the Ice Age Trail. The event is cup free and includes post-race music, food, and awards.

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.

Trail event at Prince William Forest Park with a 6.5 mile figure eight loop, a 30 km option, two aid stations, and an awards ceremony with a post race meal.

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