100K Races in Pennsylvania

As of October 22, 2026, Crewable lists 2 upcoming 100K races in Pennsylvania from July 2027 to September 2027. The next is Ironstone 100K Ultra on July 10, 2027 in Hollidaysburg.

Updated Oct 18, 2026Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites

See all Races in Pennsylvania

Race calendar

July 2027

1 race

Jul10Sat
Ironstone 100K Ultra
Hollidaysburg, PA
100K
Closes Jul 1, 2027from $175

September 2027

1 race

Sep11Sat
Pine Creek Challenge
Wellsboro, PA
100 mi100K+2

Quick answers

What is the next 100K race in Pennsylvania?

Ironstone 100K Ultra, on Saturday, July 10, 2027, in Hollidaysburg. Distances: 100K.

What is the busiest month for 100K races in Pennsylvania?

July 2027, with 1 of the 2. September 2027 follows with 1.

Cities in Pennsylvania

Philadelphia155 Pittsburgh42

Neighboring states

Delaware16 Maryland64 New Jersey87 New York126 Ohio136 West Virginia28

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