South Ridge Trail Challenge

The South Ridge Trail Challenge is the region's premier early summer trail race and the only ultramarathon in North Park. Located on the South Ridge of North Park in Allegheny County, it offers a spectacular array of trails for runners and hikers of all abilities:

• a 5K for everyone, hikers welcome!
• a steady 10K for those looking for a little more climb, hikers also welcome!
• challenge yourself with two loops of the 10K course and (just about) complete 20K (just about a 1/2 marathon)
• a day-long party 50K relay- 5 10K loops let you share your vert with friends (relay teams are 2-5 people)
• a truly intrepid 50K - 5 10K loops covering almost 5000ft of vert. gain that will lead you on a journey from confidence to self-doubt and back again, earning you bragging rights as a finisher of the only 50K race in North Park. 

All distances start and finish near the historic North Park swimming pool. Runners and walkers will then make their way up, down, and around the South Ridge Plateau, exploring all the beauty of early summer in Western PA.  

• 50K and 50K Relay - 7:30 am
• 5K - 9:00 am
• 20K - 10:30 am
• 10K - 11:00 am

50K athletes MUST leave the aid station for their final loop by 3:30pm. NO EXCEPTIONS.

Ready to test your limits? The South Ridge Trail Challenge brings a highly anticipated 5K, 10K, 20K to Allison Park on May 31, 2026. Expect a fantastic route right in the heart of Pennsylvania.