Trail Running Calendar United States 2026-2027

A Spartan Race weekend at Lake Perris State Recreation Area on Jan 23 and 24, 2027 features 5K, 10K and 21K obstacle races plus a kids race. The course is described as flat and fast with lakeside views and park facilities.

A backyard ultra at Usery Mountain Regional Park with runners on 4.1667 mile loops and ruckers on 2.3 mile loops repeated each hour until a single finisher remains. A Backyard 24 option ties everyone who reaches 24 hours.

A community trail event at the Historic Empire Ranch in Las Cienegas National Conservation Area with a 10k, a 5k run/walk and multiple one-mile family and children’s events, produced by Run Tucson with the Empire Ranch Foundation and BLM.

Experience a winter trail race through the Reynolds Creek gorge and Wilson Peak in Idaho. Choose between 10 mile, 20 mile, or 50k distances featuring up to 6000 feet of elevation gain in the stunning Wilson Creek trail system.

La Cuesta Ranch Trail Run takes place in San Luis Obispo on January 23, 2027 and offers 10 km, 20 km and 30 km trail distances as part of the AllWeDoIsRun event calendar.

A ninth annual trail event at Kershaw-Ryan State Park on January 23, 2027 offering 4K and 14K courses that can be run with a dog. Registration includes custom swag and finisher items; dogs must be leashed and waivers signed.

Trail races of 10K, 30K and 50K at Fort Clinch State Park on January 23, 2027, with looped singletrack, aid stations and camping. All profits support Florida State Parks.

A duration trail race at Clinton Lake State Park where runners spin a roulette wheel to choose one of three color coded loops. Time options include 24 hour, two 12 hour blocks and a 6 hour event.

A trail event at Eisenhower Park offering 50K, 25K, 10K and 5K with a 400 runner cap, full aid stations without disposable cups, drop bag area, and ruck divisions with specific minimum weights.

A trail running event in San Francisco on January 23-24, 2027, offering 15K, 25K, 50K and 50 mile options on soft, hilly trails. The course travels through the Marin Headlands and crosses the Golden Gate Bridge with coastal views.

Trail races on single-track trails around Folsom Lake with distances from a kids run to 50K, marked routes and staffed aid stations; parking is paid and dogs are not allowed on course.

A looped trail race at Bastrop State Park on January 23, 2027, offering distances from 7K to 100K plus a 20K ruck on dirt and rocky single-track. The Lost Pines Trail features hilly 20K loops, staffed aid stations, and specific mandatory ge..

Ellie Biscuit is a trail race on January 23, 2027, at Pt. Washington State Forest offering 10 mile and 20 mile options. Courses run on trails and forest roads with natural obstacles, race hoodies for entrants, and age group awards.

Trail loops through East Texas pine forest at Tyler State Park with distances from 7K to 108K. Online registration only; hydration device required and longer distances require a headlamp.

On January 24, 2026 the Desert Classic stages a chip timed half marathon and a 5K at Thunderbird Paseo Park in Glendale, Arizona. Both courses are professionally marked, include aid stations, and finishers receive a custom medal.

A 24-hour endurance run in The Market Common, Myrtle Beach on Jan 23-24, 2027, held on a USATF certified 1.0806 mile paved loop. The event features chip timing, an aid station, a designated tent city, and cash prizes for top finishers.

Trail runs at Granite Beach along Folsom Lake with 5K and 10K courses, finisher medals, aid stations, and awards. Organized by Total Body Fitness with entry fees, spring package options, and a volunteer voucher program.

Timed endurance running on an approximately 4.15 mile single track loop at Sac River Mountain Bike Trails near Springfield MO, with 12 hour, 6 hour, 3 hour and 1 hour options and a base camp aid station.

Trail races of 50K and 25K through McDowell Mountain Regional Park near Fountain Hills, Arizona, featuring desert scenery, volunteer support, awards by category, and an 8 hour limit for the 50K.

Event Overview This event takes place in Griffith Park, Los Angeles. It offers several trail run and hike distances. The start/finish location is on a fire road just north of the Old Zoo. Distances Participants can choose from the following..