The Next Loop Endurance Series - Lake Carl Blackwell - Stillwater
MAY
23
2026
Take on the 40/50 Mile Challenge at Lake Carl Blackwell. This endurance event features a flexible loop format, allowing participants to run as many loops as they choose. It's a test of persistence in the Oklahoma landscape.
Sat 23 May 2026
50 miles
40 miles
Always double-check with the organizer's website! This page may contain affiliate links.
Event Overview
This event is part of the Next Loop Endurance Series. It takes place at Lake Carl Blackwell near Stillwater, Oklahoma.
Distances
The event offers a 40/50 Mile Challenge.
Location and Schedule
The event location is Lake Carl Blackwell, Oklahoma. The address is 11000 W Hwy 51, Stillwater, OK 74074.
Additional Information
This event follows a loop-based endurance format. Athletes can complete as many loops as they choose, with their total distance honored at the finish. Visit the organization's website for the most recent information.
50 mi
50 Miles
40 mi
40 Miles
