The competition will be July 31, between tour stops in Russia and Germany. Racing starts at noon at the county's Kinetic Park, 7801 Town Square Ave. in Dardenne Prairie.
Pump tracks feature hills and turns that are designed to be ridden by generating momentum with body movement, instead of by pedaling.
The competition is a qualifying round for the world finals, which will be held later this year at a site that has not yet been determined.
Your weekly capsule of local news, life advice, trivia and humor from Post-Dispatch columnist Joe Holleman.