The 11th Annual Dirty Spokes mountain bike race is on the trails of Castlewood State Park. This race is open to all skill levels. Helmets are required and course maps may be downloaded at www.ballwin.mo.us. The race is divided into three categories:
Category A: Reserved for the advanced, experienced rider.
Category B: Reserved for the intermediate rider.
Category C: Reserved for the beginner.

Register by April 4 to guarantee your shirt size.
Registration fee is $30 through April 4. Increases to $40 April 5. Pre-registration ends Friday, April 23 at 12pm.
Race Day Registration begins at 7:30am.