Trail Running calendar near Billings 2026-2027

XTERRA Transcend Trail Run at Dickerson Mine Preserve in Randolph NJ offers lakeside, fast singletrack and scenic loops. Pick 5K, 10K or half marathon and chase qualifying spots for the 2027 XTERRA Trail Run World Championships.

The XC Summer Series will take place in Parsippany-Troy Hills on Tuesday 23 June 2026. You can run 5 kilometers.

The XC Summer Series will take place in Parsippany-Troy Hills on Tuesday 30 June 2026. You can run 5 kilometers.

Run the Red Wing Trail Challenge in Lagrangeville, NY on July 5 with 15K, 30K, and 60K options on a runnable 15K loop with varied terrain and serious climbing. Aid stations, lap base for 60K, and post race food make this a true trail day.

Notchview Ultra in Windsor MA, July 10 to 13, 2026 features a scenic 1.9 mile loop with timed options from 6 hours to 100.7 miles. Full aid station, camping and merch plus a lap based charity challenge led by mascot Wally.

Pinky's Rock n Rolla is a lively 4 mile trail race through Forest Park's scenic trails celebrating Pinky the Pacer. Finishers get medals, top three men and women earn prizes, dogs welcome, and proceeds benefit Puppy Kitty NYCity.

The XC Summer Series will take place in Parsippany-Troy Hills on Tuesday 21 July 2026. You can run 5 kilometers.

Tackle Soapstone Assault, a rugged 5.5 mile trail race up Soapstone Mountain in Somers CT on July 26, 2026, featuring six steep climbs and about 1,500 feet of climbing. Expect rocky, technical terrain and stunning summit views.

The XC Summer Series will take place in Parsippany-Troy Hills on Tuesday 28 July 2026. You can run 5 kilometers.

Take on the Ridge Reaper Trail Runs at Ward Pound Ridge Reservation on August 1, with 25K, 50K and 50M options over technical singletrack, carriage roads and sweeping ridge views. Expect big climbs, aid stations, carry your own hydration an..

Interstate 17 is a challenging 17 mile trail run on August 8, 2026 in Closter NJ that traces Hudson River viewpoints. Expect rugged technical singletrack, steep climbs and boulder scrambles across four loops with fully stocked aid stations.

Join the 14th Annual Sweltering Summer Ultra, an 8 hour track challenge at Clapp Park in Pittsfield on August 8, supporting the AYJ Fund for children with cancer. Chip timing, a lively aid station and pizza and ice pops keep energy up.

Challenge yourself on rocky, rooty trails at Stokes State Forest on August 9, 2026, with 5K, 10K, 10K ruck and a rugged 17 mile course with big climbs. Ruck divisions, age and disability accommodations and aid stations mean serious fun with..

Run loops on a roughly 5K trail course during an eight hour celebration with the Shenipsit Striders in Tolland. Bring food, enjoy the grill, earn raffle tickets and a 50th anniversary gift while supporting local trail stewardship.

Test your limits on scenic technical trails in Fahnestock State Park with 50K, 25K and 5.5 mile options on August 15, 2026. Enjoy full aid stations, post race food, swag and proceeds supporting park conservation.

Climb It For Climate at Belleayre Mountain on August 16 features a challenging 25K mountain trail and a lively 8K slope run with hikers welcome. Join this zero carbon event with aid stations, plant fuel and proceeds to Catskill Center.

The XC Summer Series will take place in Parsippany-Troy Hills on Tuesday 18 August 2026. You can run 5 kilometers.

Take on the Jug End Loop Ultra at Jug End State Reservation on August 22, 2026. Run or walk a rolling 4.2 mile loop as many times as you can in six hours through woods, fields, and an apple orchard while supporting local charities.

The XC Summer Series will take place in Parsippany-Troy Hills on Tuesday 25 August 2026. You can run 5 kilometers.

The XC Summer Series will take place in Parsippany-Troy Hills on Tuesday 1 September 2026. You can run 5 kilometers.