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Boulder Beast

Name: Boulder Beast
Start: 2025-09-20
End: 2025-09-20
Location: Lock Haven

Lock Haven, United States • 20 Sep 2025

The Boulder Beast is an annual trail running event held in Lock Haven, PA, featuring a challenging course through diverse terrain, including a famous boulder field. Participants can choose between a 24-mile race with approximately 6,000 feet of elevation gain or a 25K option. The course includes trails such as Goat Path, Lightning Ridge, and Gorge Trail, offering technical descents and rugged sections. The event emphasizes safety with strict cut-off times and is designed for experienced runners prepared for a tough adventure. The race begins early Saturday morning, with a pre-race party on Friday night, and concludes with a post-race picnic. Visit the organization's website for the most recent information.

United States Pennsylvania Lock Haven

Race information

Website Registration

25 mi

25 Miler

25 km

25k

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday Jun 7

Slate Run Trail Race

Cammal - 18 mi from Lock Haven

13 mi

25 km

The Slate Run Trail Race is an annual running event featuring a challenging 25K and Half Marathon course set in the scenic Tiadaghton State Forest of Pennsylvania. Scheduled for June 7, 2025, participants will navigate through the rugged terrain, including technical single tracks, streams, and breat..

Saturday Jun 14

Smith's Knob Scramble

Williamsport - 24 mi from Lock Haven

4 mi

8 mi

The Smith's Knob Scramble is an 8-mile trail race held in Montoursville, PA, featuring a challenging course along the Loyalsock trail over Smith's Knob. This event is part of the Rocksylvania races in the Slate Division and includes awards for overall winners and age group categories. Limited to 200..

Saturday Jun 21

Sproul 10K

North Bend - 20 mi from Lock Haven

10 km

The Sproul 10K is an annual trail running event held in the scenic Sproul State Forest, known for its challenging terrain and breathtaking views. Scheduled for June 21, 2025, this race features a demanding course that includes a steep 3-mile uphill climb to McCloskey Mountain, followed by a thrillin..

Sunday Jun 22

Little Loggers Trail Fest

North Bend - 20 mi from Lock Haven

5 km

The Little Loggers Trail Fest is a free outdoor event designed to introduce children aged 12 and under to trail running. Held in North Bend, PA, the event features a 2.75-mile course with small hills and a possible stream crossing, supervised by volunteers and equipped with an aid station. Parents c..

Sat - Sun Aug 9-10

Eastern States 100

Waterville - 13 mi from Lock Haven

100 mi

The Eastern States 100 is a challenging 103-mile trail race set in the scenic Pennsylvania Wilds, specifically around the Pine Creek watershed. This event features a demanding course with over 20,000 feet of elevation gain, showcasing some of the most rugged and beautiful trails in the region, inclu..

Saturday Aug 23

Hyner Half

Renovo - 20 mi from Lock Haven

7 km

14 mi

The Hyner Half is a challenging 14-mile trail race set in the scenic Sproul State Forest, Pennsylvania, taking place on August 23, 2025. This event is designed for runners and speed hikers, featuring rugged single-track trails with a strict 4.5-hour time limit. Participants must qualify by listing p..