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South Ridge Trail Challenge

location_on

Allison Park, Pennsylvania, United States

calendar_today 31 May, 2026

directions_run Running

sell $30.00 – $205.00

About the Event

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 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.

START TIMES:

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

COURSE CUT-OFF:

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

Races Offered

50Kish - closer to 33mi

May 31, 2026

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Distance — 50Kish - closer to 33mi

terrain

Type — Running

timer

07:30

sell

$95.00

50Kish Relay - closer to 33mi

May 31, 2026

straighten

Distance — 50Kish Relay - closer to 33mi

terrain

Type — Running

timer

07:30

sell

$205.00

5K (ish) - It's really about 3.5 miles

May 31, 2026

straighten

Distance — 3.1 Miles

terrain

Type — Running

timer

09:00

sell

$30.00

20K (ish) - Almost a half marathon

May 31, 2026

straighten

Distance — 12.4 Miles

terrain

Type — Running

timer

10:30

sell

$60.00

10K (ish) - Closer to 6.66 miles

May 31, 2026

straighten

Distance — 6.2 Miles

terrain

Type — Running

timer

11:00

sell

$50.00

Weather Overview

These values represent the 3-year monthly averages for May in Allison Park.

Temp (°C)

Feels Like (°C)

thermostat 10.9° / 21.8°

wb_sunny 8.9° / 20.0°

Wind (km/h)

Humidity (%)

air 10.0 /

water_drop 72.5%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 10.9° / 21.8°

wb_sunny 8.9° / 20.0°

air 10.0 km/h

water_drop 72.5%

About Allison Park

Learn more about the host city, Allison Park.

Allison Park is a census-designated place in Allegheny County, Pennsylvania, United States. It is a suburb of Pittsburgh and is located within Hampton, McCandless, Shaler, Indiana and West Deer townships. It had a population of 21,864 at the 2020 census. The ZIP Code for Allison Park is 15101.