Trail Running Calendar United States 2026-2027

Connor's Claims Ultra near Stockton, UT offers 50 mile, 50K and half marathon options across rugged Oquirrh Mountain terrain. Expect big climbs on old mining roads, sweeping summit views and a true alpine test for ambitious trail runners.

Trail run at Brown County State Park on May 30, 2026 offering 5K and 15K courses with long climbs, singletrack sections, and GPX maps available.

Conquer the climb at the Mount Magazine 15k on May 30, 2026 in Havana, AR. Enjoy a scenic uphill route to the summit with shuttle return or run back, plus a shirt and custom medal; run, walk and virtual entries available.

Tail Wagger brings dog friendly 5K and 1 mile fun to North Tahoe Park on May 30, 2026 and to Incline Village TBA. Expect scenic trails, an expo, separate human only starts, swag for pups and people and a local pet charity fundraiser.

Free one day running festival in Crystal Lake celebrating local races, clubs, and brands. Pick a 4.3 or 6.8 mile social run, browse the expo, enter raffles, demo gear, and enjoy food, drinks and community fun.

A May fundraising series on the C&O Canal and Appalachian Trail supporting HARC programs, with distances from 5K to a 20-mile challenge, on-trail support, and a post-hike celebration lunch.

The The Shoreline 10K will take place in Logan on Saturday 30 May 2026. You can run between 5 and 10 kilometers.

Trail races at Toro Park near Salinas, CA take place on rolling golden hills and smooth trails. Distances include Trail 10K, Half Marathon and Trail Marathon, and the weekend also features Spartan obstacle course races and spectator access.

Lucifer's Crossing at Robert Treman State Park offers half marathon, 10K and 5K trail races through the scenic Lucifer Falls gorge. Expect rolling climbs, historic stone steps and mostly singletrack for a rewarding trail challenge.

Run the scenic Tomorrow River Trail half marathon from Plover to a festive finish at Central Waters Brewing Co in Amherst. Enjoy over nine miles of trail and secure a guaranteed t shirt by registering by May 3.

Celebrate the 1980s at Running Through the Decades in San Antonio with an 80s playlist, pre race costume contest and a fun half marathon plus 5K, quarter and kids runs. In person and virtual options, medals and shirts for all.

Trail races at Sherwood Archers in Carvins Cove on May 31, 2026, offering a 25k and a marathon plus virtual options. The marathon features about 3500 feet of climbing, eight aid stations, technical shirts, and finisher awards.

Run the Billings Skyline Races for a scenic challenge along the Rimrocks and Skyline Trail. Choose a rolling 13.1 mile loop or a longer 30K that adds elevation, with panoramic views of the Yellowstone Valley and Beartooth Mountains.

Enjoy the Rabun Half Marathon in Sky Valley on May 31, 2026, a scenic trail course past Ammon Falls and stretches of the Bartram Trail with views of Rabun Bald. This grassroots run celebrates pure trail running with no t shirts, no swag, an..

Run the 11th Annual Paper Chase 5K in Lansing on May 31 for a scenic out and back along the Lansing River Trail with chip timing and live results. Proceeds benefit Michigan Capital Region Big Brothers Big Sisters.

Join the XC Summer Series, a friendly weekly cross country 5K on Tuesday nights in Parsippany from April 28 to September 1, 2026. All ages and abilities welcome, walkers included, with chip timing and after race refreshments.

Celebrate the 10th Big Run Roanoke on June 3 at Fallon Park with a nationally timed 5K along the Tinker Greenway and a free kids fun run. Join the community, support Smiles4Tab, and secure your spot early for guaranteed swag.

A multi day endurance series at Mohawk Mountain in Connecticut offering solo and team trail events from 15 to 152+ miles with timed formats up to 84 hours. Tenting, support stations, and personalized bibs and medals are provided.

Hell Hole Hundred is a scenic ultramarathon in Francis Marion National Forest in South Carolina, with distances from 10K to 100 miles. Expect hot June conditions, primitive camping, aid stations and a custom 100 mile buckle for finishers.

A weekend trail ultramarathon near Pocatello, Idaho offering four distances from 23 miles to 100 miles with substantial elevation gain; the event highlights environmental stewardship and reserves at least half the field for women, femme and..