16300 McDowell Mountain Park Dr., Fountain Hills, AZ
The Mayhem Night Runs is a Running race in Fountain Hills, Arizona consisting of a Half Marathon and Marathon.
It's happening! Our McDowell Mountain Frenzy Trail Runs has it's own corresponding night race. Our Mayhem Night Runs will complete our Insomniac Night Series! We have set the course up to run the opposite direction of it's day counterpart, providing our runners a new and unique trail experience into the cool December nights!
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