Trail Running Calendar United States 2026-2027

A spring trail event in the Angeles National Forest offering a 50k and a half marathon across Pacifico Mountain with technical singletrack, multiple aid stations and a finish festival. The 50k awards Sterling Silver Tickets and a course rec..

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 event at Doe Mountain Recreation Area near Mountain City TN offering 50K, 25K, 13K and a free kids mile. Courses feature significant elevation and a 60 foot fire tower with panoramic 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.

High Noon Showdown in Laurens SC is a timed trail event offering 3 hour 6 hour 12 hour and 24 hour options plus a 6 hour ruck. The roughly 5 mile loop course supports Project Hope Foundation.

A timed ultramarathon on a 1.75 mile loop at Lake Tye with 12 hour, 6 hour and 3 hour options, full aid station support, wooden finisher medals, and proceeds benefiting local trail conservation.

A low key, USATF sanctioned trail event near Stockton, Utah on May 30, 2026 offering roughly 52 mile, 31 mile, and 13.8 mile courses with significant elevation gain 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.

Dirt Circus Chicago on May 30, 2026 in Crystal Lake, IL gathers the local trail running community for a social run, expo, food, raffle, and vendor booths. Two route options and a city specific t shirt preorder are available.