Adult Soapbox Derby




8th Annual Marble Falls Soapbox Classic           Adult Soapbox Derby


Historic Downtown Marble Falls, Texas

Father’s Day Weekend

June 16-18, 2017



Click HERE for 2016 Racing Results.


Start Building Your Derby Car Today 

Registration is CLOSED!

NASDA Collage

Special Thanks to the 2016 Event Sponsors  

We can’t do it without your support!