Dirty Spokes Mountain Bike Race

The 6th Annual Dirty Spokes Mountain Bike race is again being held on the trails of Castlewood State Park.  This race is open to all abilities. Helmets are required. A confirmation e-mail will be sent out a week before the race with event details. 

When: Sunday, April 15, 2018
Where: Castlewood State Park
Register online or at The Pointe at Ballwin Commons

2017 Dirty Spokes Results

View the Course map click here

The race is divided into three categories:
Category A: 5 Laps-Reserved for the advanced, experienced rider
Category B: 3 laps-Reserved for the intermediate rider
Category C: 2 lap-Reserved for the beginner and younger riders
*1 lap is approximately 4 miles


Cat A—9:00am

Cat B—after completion of Cat A race (Approx. 10:30am).

Cat C—Starts along with Cat B


$30 ($40 after March 25) (t-shirts are guaranteed for those who register by March 25)

Race day registration begins at 7:30 a.m.


12 years & up 


For more information or questions,  contact Matt Struemph at 636-227-8950 or .