Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4036 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A chip timed 5K trail run at Salamonie Lake with wooded, gently rolling trails, a participant pancake breakfast, and fresh sweet corn for sale. Proceeds support Friends of the Upper Wabash Interpretive Services.

A trail event at Briar Patch Hunting property featuring a 20K made from repeated 5K loops, relay and individual divisions, and Beer Mile races. Beer or chocolate milk is offered before laps and beer is available to those 21 and older.

A trail event in Boise on August 22, 2026 offering 5K and 12K courses that can be run or hiked, with proceeds supporting the Bogus Basin Nordic Team and cash prizes in the 12K divisions.

Powder Keg at Carter Park in Kings Mills, Ohio on August 22, 2026 features a roughly 3.5 mile trail loop along the Little Miami River with an old road, an old dam, and a stair climb. Online registration only, fee $23.50.

Trail races at Morgan Hill State Forest use a roughly 3.3 mile loop with 607 feet of climb; choose a timed 3-hour event or the $1,000 Challenge requiring seven laps with gender equivalent targets. Aid, limited parking, and race day bib pick..

A trail running event on August 22, 2026, offering a 13.3-mile half marathon with substantial elevation and a mostly downhill 5.6K. The race uses Arrowhead, Bachelor Gulch, and Beaver Creek trail networks and includes aid stations for the h..

A free community trail running festival in Park City on August 22, 2026 featuring a social group run, an expo with local brands and race directors, food, and a raffle with prizes.

Chupacabra Trail Race is the fourth event of the Wild Thangs Trail Series at Monte Sano State Park in Huntsville, AL. It offers 10K and half marathon trail courses with aid stations, a cupless policy and a capped field.

Trail races of 10K, half marathon and 30K run through redwoods near Felton, CA, on varied single track and fire road with river crossings, marked courses, aid stations, chip timing, and a cupless hydration policy.

A day of looped trail events at Comlara near Hudson, IL, with timed options from one hour to twelve hours, a relay race, and an open course option. Runners complete roughly four mile loops and must return each hour to continue.

A mountain trail race near Kamas, Utah using a 13 mile loop once for a half or twice for a Marathon+. The course includes ridges, pines and lakes, with up to 3,600 feet of climbing and multiple staffed aid stations.

A map-based 5K and 10K in San Francisco where teams navigate checkpoints and answer multiple-choice questions, followed by refreshments at the finish.

Dog Days ULTRA in Missoula, Montana runs August 22-23, 2026 and features timed solo events plus a 24 hour relay. Registration runs March 9 to July 9, with fees listed per event.

A 4 mile open time trial on the single track trails of Schenectady Central Park with individually timed laps. All proceeds go to Hive of Hope, a community organization supporting recovery through connection and movement.

A 13.7 mile trail race from Stinson Beach to Mill Valley and back on the Dipsea Trail. The annual handicapped event uses adjusted start waves and time cutoffs; 2026 marks the 56th running.

A 12 hour trail event at Saunder Springs Nature Preserve in Radcliff, Kentucky, offering solo, two person, and four person team options on a loop course that mixes technical and runnable trail with waterfalls and creekside sections.

Experience the beauty of Jenkinson Lake at Sly Park Recreation Area with trail distances ranging from a 5K to a 50K ultra marathon through scenic pine forests and rolling single track.

Trail runs over Vineyard Hill and through Bradley Palmer State Park offering 5K and 10K courses with one Start/Finish aid station, local prizes, and chip timing as part of the North Shore Trail Series.

An evening running event in Westerville with a 5K, 1 Mile, and Family Fun Run that raises funds for Westerville Education Challenge and highlights mental health resources and remembrance.

Trail races at Green Lakes State Park in Fayetteville NY including 100K, 50K, 25K and a 12 hour timed loop. Mixed singletrack, meadow sections called the Serengeti, shaded lake trails and stocked aid stations on marked loops.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.