Trail Running calendar near Mifflinburg 2025-2026

We have found 48 Trailruns within 80 miles of Mifflinburg. See below where and when you can find the races.

Push your limits on scenic single track around Hills Creek Lake with 3, 6 and 12 hour time based options plus a 12 hour four person relay. Run as many roughly 3 mile laps with about 200 ft of climb per lap and enjoy lakeside aid and camping..

Join Crystal Lake Outdoor Center for the 10th Annual Trail Race on May 9, 2026, with 5 km and 25 km courses across scenic, varied terrain. Proceeds support the center and overnight lodging is available before the event.

Test your legs on rugged trails and sweeping Susquehanna views at the Miller Mountain Trail Challenge in Tunkhannock, PA, with 25K run or hike and 5 Mile options featuring steep climbs and rocky descents. Finishers get custom swag, a finish..

Discover single track trails from the Susquehanna River to the Allegheny Plateau in Lock Haven, with race options from 10K to 46K. Enjoy a gourmet post race spread and watch for registration coming soon.

Rothrock by UTMB is a UTMB World Series multi day trail race in May through Rothrock State Forest, showcasing sandstone ridges, rhododendron tunnels and spring blooms. Expect challenging terrain and warm local hospitality in Happy Valley.

UTMB Index

Worlds End Ultramarathon in Forksville PA on May 30 2026 features two single loop trail distances along the scenic Loyalsock Trail. Rugged single track, waterfalls and rocky overlooks make for a demanding backcountry race.

June 2026

Take on the scenic Slate Run Trail Race in Tiadaghton State Forest on June 6, 2026, with half marathon and 25K options over technical single track, stream crossings, and sweeping vistas. A rugged, rewarding day on the Black Forest Trail.

Choose the 10K or 5K through Sproul State Forest with roughly three miles of climb to McCloskey Mountain and more than three miles of thrilling downhill to the finish. Enjoy technical single track, stream crossings and stunning vistas, plus..

July 2026

Challenge yourself on the Ironstone 100K, a scenic point to point ultramarathon across the Alleghenies. With minimal aid stations and a grassroots, all volunteer vibe, this tough July race is part of the GrandSlam SufferFest Series.

Take on the Spartan Trail Poconos 10K at Blue Mountain on July 12, 2026 in Palmerton PA, with hilly singletrack that rewards adventurous runners. Stay for a Spartan weekend of obstacle races, team entries, and service member discounts.

Join the Run for the Elk Race Festival in Emporium PA on July 26, 2026 for scenic trail runs from 5K to a Boston qualifying marathon. Enjoy post race pizza, a finisher medal and free finish line photos along the West Creek Industrial Trail.

August 2026

Take on the Eastern States 100, a 103 mile single loop around the Pine Creek watershed in the Pennsylvania Wilds featuring over 20,000 feet of climbing. This rugged ultramarathon on August 8, 2026 draws passionate trail runners and supporti..

Tackle rugged, scenic single track trails at Hyner Run State Park near North Bend, Pennsylvania with the Hyner Half offering a challenging 14 mile race plus a 7K. Field is limited to 225 qualified entrants, so expect big climbs, aid station..

September 2026

The Dandelion 10k Trail Race will take place in Mifflinburg on Saturday 5 September 2026. You can run between 5 and 10 kilometers.

Join the Camptown Races on September 12, 2026 for a lively 10k, new 5k, or 10k relay across a scenic road and technical trail course with roots, rocks, and a creek crossing. Perfect for solo runners and teams looking for a fun challenge.

Join the Sasquatch Preservation Trail Run in scenic Seven Valleys, PA on September 12, 2026 for a fun 5K or 10K through rolling trails and forest scenery. Volunteers welcome to help keep this community event running strong.

Challenge rugged single track and a famous boulder field at Hickory Run State Park in Jim Thorpe PA. Choose from 100K, 50K or 18 mile options on a 50K loop with big climbs and scenic trails, and earn a finisher award.

Take on the Boulder Beast near Lock Haven PA, a rugged trail race with a notorious boulder field and scenic singletrack, offering 24 mile and 25K distances. Camp on site and enjoy a lively pre race party and a post race picnic.

Trails 4 Tails at Codorus State Park offers a scenic, rolling course for the 40 mile ultra, team relay or 25K with mixed singletrack, fields and lake views. Full aid station, camping and nearby lodging make it a fun day on the trails.

October 2026

Celebrate Oktoberfest with a 5K Trail Run at Boal City Brewing in Boalsburg this October. Tackle scenic rolling trails and hills, enjoy a free brew if 21 or older, and stay for awards and a trophy engraving for overall winners.