Trail Running Calendar United States 2026-2027

A 5K trail event on May 30, 2026 at Danvers YMCA Camp in Boxford with separate courses for runners and for walkers and waggers, pond and vernal pool scenery, prizes, post-race treats, and registration benefits.

Trail races in Salt Lake City across the foothills offering 10K, Half Marathon, 50K and 50 Mile courses with significant elevation gain, GPX routes, aid stations, medals for finishers, and pre-race bib pickup.

Echo Valley is a two day trail running event in Lake Chelan offering a 1-mile kids race, 10K, half marathon and 50K on single loop forest trails with valley views. Camping, aid stations, and cupless racing rules apply.

A trail ultramarathon in Buffalo Creek, Colorado offering 50 mile and 50K courses on mostly singletrack through burned areas and ponderosa forest. Portions of proceeds support the North Fork Volunteer Fire Department and local groups.

A high-country trail event in the Angeles National Forest on May 30, 2026, offering 50k and 21k courses across Pacifico Mountain with multiple aid stations, a finish festival, awards and Sterling Silver Tickets for top 50k finishers.

A Backyard Ultra held May 30, 2026, on an exactly 4.1 mile loop around Mantua Reservoir. Flat, firm-dirt trail with springtime scenery and repeated loops rather than a fixed total distance.

The Dormie Challenge is Portage County's first ultra marathon on May 30, 2026 at UWSP campus in Stevens Point. It offers 12 hour and 6 hour endurance events with limited fields, aid stations, timing, and medical support.

Trail races at Doe Mountain Recreation Area near Mountain City Tennessee offering 50K, 25K and 13K courses with substantial elevation gain and an optional climb of the 60 foot Kettlefoot Fire Tower for sweeping 360 degree views.

An 8K trail race entirely within Lincoln Memorial Garden near Lake Springfield with wood-chipped and gravel trails and plank bridges. A Kids Fun Run offers three pond-loop distances; the 8K is limited to 300 participants and includes a shir..

Experience a technical trail race through the redwood groves of Joaquin Miller and Redwood Regional parks. Choose from multiple distances ranging from an 8K to a 50K ultra marathon on accurately measured courses.

Experience the mountain trails of Park City at the Twisted Fork Trail Festival. Choose between three distances featuring scenic ridgelines, aspen groves, and a lively finish at the Newpark Amphitheater.

Trail races at Giant City State Park include a new 5k, a half marathon loop, and a 40k two loop option on mostly single track with creek crossings, aid stations, cupless format, and optional t shirts.

Angry Cow Trail Run / Obstacle Race at Rockford Lake features an approximately 4 to 5 mile trail with on-course challenges, two-person team racing and a rucking option. Registration includes a shirt, awards, snacks and drinks.

An ultraloop on a hilly 7.7 mile circuit with a strict two hour lap cutoff and self supported format. Laps alternate direction and top finishers receive shoes and per lap cash prizes.

Trail running events at A.W. Marion State Park along Hargus Lake shoreline, featuring a half marathon, 10K, 5K, 6 Hours of Power and a 20K relay across 310 acres of woodlands and native landscapes.

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.