July ultramarathons in Pennsylvania, United States

Rugged, moderately difficult out-and-back laps on an unpaved rail trail with 1000 feet elevation change per lap and uneven terrain.

Rugged 100-kilometer course through the wild trails of the Alleghenies, rocky ridges, sparse aid stations, and punishing midsummer heat

Rolling grassy hills on a compact cross country loop with team relay format, dusk headlamps required, and awards for most laps completed

Historic Starrucca Viaduct start, four 25-mile out-and-back laps on a primarily flat stony rail trail with gradual elevation changes and trestle dips

50K on the scenic West Rim Trail with an early dark start, minimal aid, and a challenging out-and-back route to Bradley Wales

Gnarly single track and fast double track across Central Pennsylvania’s rugged Allegheny Front, steep climbs, demanding descents, and sweeping ridge views

24-hour race on Blackhawk High School track with lap direction changes, hourly themes, live music performances, and relay or solo participation options