Trail Running Calendar United States 2026-2027

Trail running and hiking events in Griffith Park on 01/24/2027 with 8 Mile, 8K, 5K and 2.2K courses; the 8 Mile is an out-and-back to a Hollywood Sign viewpoint. Marked courses have aid stations, chip timing, finisher medals and event shirt..

A trail race at Lake Hodges on January 24, 2027 featuring 50K, half marathon, 10K and 5K over single track and dirt roads with 100 to 2900 feet of elevation gain. A new DemiGod Challenge combines three distances in one day with a five hour..

Experience the only trail in Ohio built by runners at Alum Creek State Park. Choose from multiple distances across two winter race dates and earn unique medals or even a belt buckle for completing the double 50K challenge.

A 135 mile winter ultra across northern Minnesota for runners, bikers, and skiers with qualifying distance requirements and mandatory satellite tracking; drop bags are inspected and organizers publish route GPX and race results.

Space City Ultra is a looped trail event at Brazos River Park on January 27, 2027 offering 5k to 50k distances with a 500 runner cap. Aid stations are full service and the race operates as cupless.

A multi distance track ultra at the Ansin Sports Complex in Miramar, Florida, offering timed 6, 12, 24 and 48 hour events, USATF sanctioning, team divisions for 24 and 48 hour races, on site aid and infield crew access.

A flat, looped ultramarathon on Jekyll Island offering night laps, a 34 hour time limit, chip timing, and distances from 25K to 100 miles.

A 24 hour trail event in Perris, CA on January 29, 2027 where runners repeat a Molcajete 1.0 loop of more than 4 miles. Individual and four-person team entries are available, with awards for top individuals and teams.

Runs along the bay at Coyote Hills Regional Park in Fremont include a half marathon, 10K and 5K on mostly flat courses with mixed surfaces and boardwalks through marsh areas. Walkers are welcome.

The 10th annual AZT Oracle Rumble is a trail running event near Oracle, Arizona offering 50 mile, 50K, half marathon and 12K distances on singletrack along Oracle State Park and the Arizona Trail. Registration closes Jan 27.

A multi-distance trail event in Christmas, Florida on January 30 and 31, 2027, running through Tosohatchee and nearby state forests with single track, varied terrain, wildlife viewing, course maps, aid station details, and crew and voluntee..

Arches Ultra in Moab, Utah on January 30, 2027 offers 9K, half marathon, 50K and 50 mile trail races along the border of Arches National Park with varied terrain, dinosaur track views, and cupless aid stations.

Bootleg Boogie in Boulder City NV uses a 12.5 mile loop with steady rolling terrain and significant elevation gain. Distances include 100 mile, 50 mile and a half marathon, and the 100 mile carries a guaranteed base purse.

Experience winter trail running on the woodchip and dirt paths of the Big Cross facility in Pasco. Choose between the 2.5 mile or 5 mile distances and receive a specialized runners belt for participating.

A winter obstacle race at Lake Geneva offering 5K, 10K, a 20K Yeti Challenge, a kids course, team packs and a virtual option. Fun heats allow skipping obstacles while the Elite division requires full obstacle completion for podiums.

Test your endurance at this backyard ultra in South Carolina. Run 4.167 mile laps every hour on the hour until only one participant remains at the Pleasant Ridge Camp and Retreat Center.

Interlaken Icicle Dash features 5k and 10k trail loops through Seattle's wooded Interlaken Park as the final event of the 2026-27 Winter Trail Series, with on-course aid and street parking near 21st Ave E and E Interlaken Blvd.

A supported urban 50K and half marathon in Biloxi and Ocean Springs, featuring a coastal route past the Biloxi Lighthouse and Gulf Islands National Seashore, multiple aid stations, GPX course files and a 10 hour completion limit.

A multi-distance trail race at River Ranch County Park near Liberty Hill offering 5k to 50k options, looped courses, fully stocked aid stations, finisher medals for all, and awards for top finishers across distances.

A trail event at Magnolia Hill Ranch in Navasota where runners complete a 5k every hour for five hours; prizes are awarded for overall finishers and relays, and primitive camping is available for a fee.