Trail Running Calendar United States 2026-2027

A last-person-standing backyard ultra on October 3rd, 2026 where a $100 bill is added to the prize jar each lap; the winner and runner-up split the accumulated pot 75/25 and 24 laps earns a 100-mile buckle.

An annual 5K cross country run or walk in Franklin Park supporting Boston Latin School Athletics. Team registration is new for 2026 and fees are tiered with free entry for BLS students.

A six-week adult cross country series in Monmouth County featuring six 5K races at local parks, with team and individual scoring and age group awards. Registration options include a full-series fee or per-race entry, with event-day registra..

A community 2-mile cross country run/walk at Glacier Creek Middle School with in-person and virtual options, evening and race-day packet pickup, live electronic results, and awards; proceeds support course upkeep and the high school cross-c..

A timed climb of 861 steps to the rooftop of Tampa City Center with official timing to the 39th floor, bailout floors, water stations and on site medics.

An outdoor adventure race in Midlothian, VA on October 3, 2026 where participants use a map to find 5 to 7 hidden control points and collect tokens. First three finishers with all tokens are champions and a portion of proceeds supports Semp..

Run De Jump on October 3, 2026 at the Karl Eid Ski Jump sends runners up a cargo net to the Hilltop chair lift in randomized waves. The event lists clear rules, entry fees, and a nonrefundable, nontransferable registration policy.

Three race formats on Bridal Cave Road and Thunder Mountain Park in Camdenton, MO: the Bridal 5Kave, a 3 hour challenge, and a 6 hour challenge. Each repeat includes about 1/2 mile down and 1/2 mile up with roughly 300 feet of elevation gai..

Join this annual community trail run through the wooded trail network of Potomac Shores. Residents and guests can choose between 5K and 10K courses for a free morning of outdoor activity in Dumfries.

Test your endurance at Kissing Bridge with this twelve hour backyard ultra style event. Runners tackle a three mile loop every hour on the hour until the final race determines the winner.

Experience the scenic beauty of Pocahontas State Park at this trail festival featuring a loop course 10k and half marathon. Enjoy runnable trails and professional timing in a picturesque Virginia forest setting.

A point to point trail race of about 10.5 miles through Lolo National Forest along the Clark Fork River on 10 April 2026. The finish is at Quinn's Hot Springs Resort with post-race food, drinks and hot pool access; dogs are not allowed.

Experience the autumn foliage during a scenic trail run through the historic Boal Estate and local nature preserves. Enjoy a festive atmosphere featuring a hills course for adults and a short loop for children.

Trail races at Glenroy Preserve on October 4, 2026 offering 5 mile, 25K, and 50K loops with mixed and technical terrain, multiple creek crossings, four aid stations, chip timing, and post-race refreshments.

Trail races in Groton, Massachusetts on October 4, 2026, organized by local running and trails groups. Two distances, 9.5 miles and 3.4 miles, total entries limited to 250, online registration closes October 3.

Experience a classic cross country race on the trails of North Park during the autumn foliage season. Enjoy 20k, 10k, and 5k distances featuring handmade bamboo medals and traditional folk dancing.

A Bigfoot Running Company event at Northeast Lakeview College in Live Oak offering races from a kids dash to a half marathon, a pre race costume contest, aid stations, chip timing for select distances, and a post race rally with music and a..

Run through 300 acres of scenic vineyards on a flat trail course in Peconic. Enjoy live music, food trucks, and a post-race glass of wine at this chip-timed autumn event.

Run by the Sea at Wilder Ranch State Park on October 4, 2026 offers a Half Marathon, 12K and 4K run/walk along mostly flat packed dirt trails with coastal bluff and Monterey Bay views. Organized by the Santa Cruz Track Club; proceeds benefi..

Trail races at Catalina State Park near Tucson with two options: a **9.3 mile** route including a 50 Year Trail out-and-back and a **5K** on the Nature and Bridal Trails. Courses have defined elevation profiles, water points, and age group..