Trail Running Calendar United States 2026-2027

Trail races in Sproul State Forest range from a technical 86 mile ultra to 47K, 25K and 10K courses. Routes feature remote rocky singletrack, significant elevation gain, restricted crew access at specific aid stations, offsite parking with..

A 13.1-mile point-to-point half marathon on May 9, 2026 through Napa Valley vineyard roads, finishing in Yountville with a Wine Village featuring local wine, food, music, and winery-hosted aid stations.

A spring rail trail ultramarathon in Farmville VA offering 100K, 50K and a new half marathon, low total elevation, two crossings of High Bridge, handcrafted pottery awards, and various discounts and race options.

Test your endurance at Greek Peak with a single day walking and rucking challenge through the scenic Finger Lakes foothills. Choose between distances ranging from 7 to 28 miles on a beautiful 1480 foot elevation loop.

The MammothMarch South Carolina will take place in Clover on Saturday 9 May 2026. You can run between 20 and 30 miles.

A spring trail race in Cool, California on May 9, 2026, with 5.8 and 10.3 mile single-track courses featuring meadows, hills, a creek crossing, and a tough climb; limited to 600 runners and entries are non-refundable.

Join the Luau themed 5K, 10K, and Half Marathon at the Mason Creek Hike and Bike Trail in Katy. This US Road Running event features out and back courses and medals for all finishers.

A backyard ultra in Udall, KS on May 9, 2026 where runners loop a 4.167 mile lap each hour until one runner completes one more lap than the others. Participants receive a bib, t shirt, and a medallion showing yards completed.

A trail race in Pocatello on May 9, 2026 offering 5K, 10K, a trail half marathon and a 30K on City Creek singletrack with updated routes and notable climbs.

Trail runs and a ruck at Mineola Nature Preserve with distances from 7K to 50K, loop formats, cupless water refill stations, finisher medals, and participation in the Texas Ultra Series.

A 20th anniversary running event in Maple Valley, WA on May 9, 2026, with races from a half marathon to 50K. The riverside, wooded course offers modest support, a piggy medal for finishers, and a strictly enforced cutoff.

Experience an urban cross country loop along the Trinity River in Fort Worth. This grassy trail event features 5K and 10K distances with proceeds benefiting a local wolfdog sanctuary.

A trail race on Winant Park Trails near downtown Concord with windy singletrack, switchbacks, and nordic type paths. Two distances are offered and proceeds benefit the Ralph Waldo Emerson School for Preschoolers; day of event entry is avail..

This community trail run on Clausland Mountain honors caregivers and supports mental health and sobriety causes. Participants take on a 3.75-mile historic course, receiving a medal in an event focused on gathering, not competition.

Run a cross country 5K at Revel Run in Chelsea, Michigan on May 9, 2026. This second annual event supports the Chelsea Track & Field Teams and aims to become a major community tradition. Lace up for a scenic run and a great cause.

An endurance event at Pinnacle Mountain on May 9, 2026 with a 3.1 mile trail loop that begins every hour. Runners may stop after any loop without penalty and official timing records completed loops and combined time.

Experience a fun mud-filled course at Adventure Unlimited in Milton featuring waist-deep mud pits and a post-race festival. This untimed event is perfect for those who enjoy obstacles and a lively atmosphere with friends.

Experience the scenic trails of Crystal Cove State Park in this coastal run featuring 50K, 25K, and 5K distances to support the John Wayne Cancer Foundation.

Experience the Run Walk or Crawl clothing optional 5 km event at Oaklake Trails in Depew Oklahoma. Participants can complete the course at their own pace on May 9 2026.

Trail races at Watuppa Reservation in Fall River on May 9, 2026, featuring grassy fire lanes, winding single track and aid stations each lap. Distances offered are 10K, 30K and 50K.