Only until race start! Register! Saturday, April 20, 2019

What is the Sly Fox?

What is the Sly Fox? ... its a half marathon and 10K started in 2015 by the organizers of in it's first year it quickly became a favorite among racers . Join us in 2019 to find out why it's loved by so many.

The Sly Fox 10K will begin at 7:20am on Saturday, April 20th and the Sly Fox Half Marathon will begin at 7:00am in downtown St. Charles, IL. Our race route is a mix of flat to rolling terrain that will bring athletes through the beautiful shaded residential streets and the countryside of St. Charles. This course is designed for athletes from beginners to the experienced. Our race is very spectator friendly, offering easy to get to viewing points throughout the course. As a participant in the Sly Fox Half Madness and 10K, each athlete will receive a technical t shirt, finisher medal and a ticket for complimentary food and beer.

The Sly Fox Half Madness and 10K is a USATF certified race .


Race Day: Saturday, April 20, 2019

Half- 7am Start!
10K- 7:20am Start!



5:30-6:30 am: Race Day Packet Pick Up
6:00 am SHARP: Volunteer Check-In (TBA)
7:00 am: Half Marathon Race Start
7:20 am: 10K Start
8:15 am: Post Race Party Begins
9:30 am: Awards Ceremony
10:00 am: Course Close
10:00 am- 11:30 am: Post Party and Awards