Missouri Valley Big Brothers Big Sisters is holding the second Bring Your Own Big Wheel event from 6-8 p.m. Thursday on Jefferson Street between High Street and Capitol Avenue in downtown Jefferson City.
More than 15 riders will take part in the competition, in which child-sized riding toys will race down Jefferson Street.
Entrance fee is $250.
Proceeds from the event will be used to help offset the cost of matching and monitoring volunteer adult mentors with children in the local area.
For more information, call 573-634-3290.