Trail Running Calendar United States 2026-2027

San Mateo PAL's May 30, 2026 community event at Seal Point Park features a 5K run/walk, a 10K run, a free Wellness Fair, and a yoga option. Race entries include a t-shirt and finisher medal, and vendor booths are available.

Muddy Dash in Oklahoma City is a 5K mud run with obstacles and waist-deep mud pits, plus a pre-party and an after-party with music, food, and beer at Lost Lake Entertainment Complex on May 30, 2026. Kids are welcome under event rules.

A timed trail event in Laurens, SC offering 3 hour, 6 hour, 12 hour, 24 hour formats and a 6 hour ruck. The race uses a roughly 5 mile loop with varied trail footing and supports Project Hope Foundation.

Timed endurance event on a 1.70 mile paved loop around Lake Tye in Monroe, WA with 12 hour, 6 hour and 3 hour options, aid stations, chip timing, medals and post-race food. Proceeds support local trail maintenance.

A mountain trail event near Stockton, Utah offering a 50 mile, a 50K, and a half marathon across mining roads and ATV trails with substantial climbing and multiple aid stations.

Trail run at Brown County State Park on May 30, 2026 offering 5K and 15K routes with sustained climbs and long descents, online registration, GPX files, and a free kids race.

A 15 km summit climb in Havana, Arkansas, the Mount Magazine 15K includes a short dirt approach, a paved ascent to the top, and a shuttle back down. Run, walk, and virtual options come with a race shirt and custom medals.

A dog friendly 5K and 1 mile event at North Tahoe Regional Park with an expo, non competitive activities, and a fundraiser supporting local animal rescue and veterinary care.

A free community trail running festival in Crystal Lake, IL that gathers race directors, run clubs, brands, and vendors for a social run, expo, food, and a raffle. Two route options are offered and the event is cupless.

A multi discipline endurance festival in the White Mountains of northeastern Arizona offering triathlons, aquabikes, runs and relay options. Children ages 5 and up can enter a youth triathlon and all participants are timed with RFID chips.

A Backyard Ultra on May 30, 2026 in Durango: runners complete a repeated 4.17-mile loop each hour until one remains. The event raises funds for Durango Trails and requires an entry fee plus a per-yard pledge minimum.

A 5K style mud and obstacle course in East Fork State Park featuring more than 15 natural and man made obstacles, from crawls and climbs to cargo nets and a final sandy beach run. The route uses existing trails and is about 3.1 miles.

Trail races of 10 km and 5 km start at First Dam in Logan, Utah, following the Bonneville Shoreline toward Green Canyon. Registration includes a t-shirt, medal, SWAG bag, race bib and timed results.

A trail running event at Fausett Farms in the Georgia Mountains on May 30th, 2026, offering 10k and 15k courses with packet pick up the day before and before the race; registration is through UltraSignup and closes the morning of the event.

A 3.1 mile cross country 5K across grass and paved paths on the Lincoln Trail College campus, plus a one mile Kid's Fun Run around the pond. Age group medals and overall prizes are listed for the 5K.

Trail races of 25K and 10K in Laramie WY on rugged two track and single track terrain with a summit at 8600 ft. The cupless event has aid stations, cash and age group awards, and donates proceeds to Pilot Hill Inc.

A 20K loop around Turquoise Lake that starts on hilly paved road and finishes on single track dirt trail, with proceeds supporting local youth athletics. The 2026 edition follows a rerouted course due to storm damage.

A fundraising trail race in Cherry Creek NY with multiple distances through forests, meadows and streams. Varied surfaces and aid station support differ by distance, and the 52k is two laps of the 26k loop.

A trail race at French Shelter Park in Cincinnati offering 5K, 10K and a 13.1 mile half marathon on meadow and woodland trails with notable elevation gain and finisher medals.

Annual 5K and 10K run and walk in Rolling Hills Estates on May 30, 2026, with a scenic route on the city bridle trails and awards for overall and age-group first place finishers.