Trail Running calendar near Millersburg 2025-2026

We have found 49 Trailruns within 80 miles of Millersburg. See below where and when you can find the races.

Join the Patriot Power 5K on April 29, 2026 in Reading, PA to support veterans with proceeds to Team RWB. Enjoy vendor tables, bib and shirt pickup, a finisher medal and a post race dinner and beer, or join virtually with a mailed kit.

Join SHEastern States Weekend, a three day women's trail camp in Lock Haven PA with guided night and long runs, evening clinics, cabin lodging, meals and group transport. Run in no drop groups and recharge with fellow women runners.

May 2026

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.

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.

Run the Conestoga Crusher on May 16, 2026 at Kelly's Run in Holtwood PA with 10K, 5K and a kids 1.5 mile trail run. Tackle creek crossings, climbs and the Pinnacle Overlook on scenic trails while supporting the Lancaster Conservancy.

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.

Run a flat, fast five mile out and back along the shaded C&O Canal Towpath in Williamsport, MD on June 6, 2026. Enjoy chip timing, tech shirt options and age group awards in a friendly community race.

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.

Run the Spartan Trail Poconos 10K at Blue Mountain on July 12 2026, over scenic singletrack and rolling Pocono hills. Part of a Spartan weekend, the race welcomes solo and team entries and offers service member discounts.

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

Run the Dandelion Trail at Camp Mount Luther on Sept 5 and support the camp with scenic 5K and 10K loop courses. Kids fun run and finisher awards add family friendly fun for all abilities.

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.

The The Dam Half will take place in Mifflinburg on Sunday 27 September 2026. You can run between 4 and 13 miles.