The ICC Challenge has established itself as one of the most popular cross-country mountain bike races in the St. Louis area. Last year it became the USA Cycling sanctioned Missouri State Championship Race.

This year, we are excited to expand the event into an entire weekend of activities that include mountain fun for everyone. The schedule includes XCC Short Track, XCM Marathon and XCO Championship Races along with fun Team Relay Short Track, Night Ride and Kid Challenge Course presented by Extreme Electrical, which supports the South Side XC Development Team, a 501(c)(3) non-profit youth development organization.

All participants are required to read, understand and abide by all USA Cycling policies, rules and protocols. Rulebook and Policy. 

Registration Details

Register for multiple races and save $10 on each additional race!

*Early Bird Registration** ends May 31st at 11:59 PM; prices will increase on June 1st.

*Online Registration** closes August 1st at 11:59 PM.

Registration Requirements

• USA Cycling Membership is required to particiapte in the XCC Short Track, XCM Marathon, and XCO Championship Races. If you do not have a USA Cycling Membership, please see the details below.

  • Base Individual Membership: Required for all licenses. Auto-renewal: $20/year.