Oklahoma · 100 Miler · 100K · 50K

Lake Murray Endurance Run

Lake Murray Endurance Run is a 100 Miler, 100K, 50K, 25K and 5 Mile event held in Lake Murray State Park, Oklahoma. It was last held on October 24, 2026 and is usually run in October; the next date hasn't been announced yet. About 37 runners take part across all distances.

Usually held
October
Location
Lake Murray State Park, OK
Field size
~37 runners

Race details

Last held
October 24, 2026
Usually held in
October
Distances
100 Miler, 100K, 50K, 25K, 5 Mile
Field size
About 37 runners
Course
7250 ft gain
Registration
ultrasignup.com
Official website
blazetrails.com

Registration, course & weather

Start time
6:00 AM CDT
Course profile — 100K
Lollipop course (a loop with an out-and-back section); Mostly trail, some road; Not USATF certified
Course profile — 50K
Lollipop course (a loop with an out-and-back section); Mostly trail, some road; Not USATF certified
Course profile — 25K
Lollipop course (a loop with an out-and-back section); Mostly trail, some road; Not USATF certified
Course profile — 5 Mile
Out-and-back course; Mostly trail, some road; Not USATF certified
Course profile — 100 Mile
Lollipop course (a loop with an out-and-back section); Mostly trail, some road; Not USATF certified

About the Lake Murray Endurance Run

The Lake Murray Endurance Run is a trail ultra festival held annually in late October at Lake Murray State Park near Ardmore, Oklahoma, offering 5 Mile, 25K, 50K, 100K and 100-mile distances that share a common out-and-back/loop trail network from Tipps Point Campground.

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Lake Murray Endurance Run: common questions

When is the Lake Murray Endurance Run?
The next date hasn't been announced in the listing yet. The race is usually held in October. Check the organiser's website for the official date.
Where is the Lake Murray Endurance Run held?
In Lake Murray State Park, Oklahoma.
What distances does the Lake Murray Endurance Run offer?
100 Miler, 100K, 50K, 25K and 5 Mile.
How many people run the Lake Murray Endurance Run?
About 37 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
How do I register for the Lake Murray Endurance Run?
Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
Is registration open for the Lake Murray Endurance Run?
Registration status as last checked September 28, 2026: open.
What time does the Lake Murray Endurance Run start?
6:00 AM CDT.