2013 UCI Supercross World Cup #4 - Chula Vista, California
Please select the races you would like to register for and click the next button to add them to your cart.


If you are under 18 (19 in Alabama,) you must mail the completed paper waivers to:

USA Cycling
Attn: Gregory Cross - BMX SX
210 USA Cycling Point, Suite 100
Colorado Springs, CO 80919

Waivers must be received on or before September 20, 2013 and may require additional postage. 

Please remember that timing transponders must be returned to the UCI Timing Tent as soon as you have completed racing.  If your transponder is not returned, you will incur a $150.00 fine.