November ultramarathons in Pennsylvania, United States

Rugged 50K in Raccoon Creek State Park: mostly singletrack with rocks, roots, and steep hills in a wooded state park setting.

Roughly 5-mile loop in Jacobsburg State Park featuring single track and gravel trails with about 450 feet of elevation change each lap

Two laps on all Settlers Cabin Park trails, 50K with 3,300 feet of climb; varied terrain, major hills, and rugged landscapes

Nature trail route at Independence Park with challenging terrain and family-friendly atmosphere

Nearly 160 miles of continuous pavement in an abandoned, unlit Turnpike tunnel; 63 out-and-backs through darkness and silence

Multiple distance options on the Fifth Street Cross course, strategic elapsed-time format, and a unique run-ride challenge