The Spring Thaw
About this race
The winter's first big race is back for its 51st incredible year. The Spring Thaw is the longest continuously run race in Pennsylvania, and you get to be a part of that history when you sign up!
The Spring Thaw starts and finishes at North Park's iconic boathouse and follows counterclockwise loops around the lake with 5, 10, 15, and 20 mile race options. This race is a great training/test event for the 2026 Pittsburgh Marathon or any other spring race!
Race Start - all distances - 10:00am. Course closes at 2pm.
The GCXCPa Promise: give back with every race:
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Pick your distance
Running
5 Mile
10 Miles
This live race will take place from the iconic North Park Boathouse.
15 Miles
20 Miles
Typical race-day weather
Based on 6 years of historical conditions on this event's race dates in Allison Park.
About Allison Park
The Spring Thaw takes place in Allison Park, Pennsylvania, United States. The local timezone is America/New_York.
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🏃 Plan Your Next Race in Allison Park
Find upcoming events by distance:
- Allison Park 5K Races Best Allison Park routes for beginners and speed work.
- Allison Park Running Calendar 2026 See all upcoming race dates.
Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.
Other races in the area
RUCK Cancer
John's Journey 1 Mile Walk/5k
2026 SAINT AIDAN HARVEST HOME TWILIGHT 5K/1 mile Run
