The ride, sponsored by Limestone Cycling League, begins at 8 a.m. and features four routes with distances of 22, 40, 62 and 100 miles.
All routes are full supported.
The entry fee is $35 by May 25th or $40 after May 25th.
All proceeds go to the Zachary Ruble Memorial Scholarship administered by the Hayswood Foundation, a renewable scholarship available to eligible Mason County High School seniors.
Unsupported group rides will be offered free of charge on Friday and Sunday.
For more information, visit the Limestone Cycling Tour website.