Collin Olson
Age, hometown: 14, Hugo
High School: White Bear Lake
Races at: St. Croix Valley Raceway in St. Croix Falls, Wis., and Cedar Lake Speedway in New Richmond, Wis.
Matthew Ostdiek
Age, hometown: 18, Lakeville
High School: Lakeville North, graduated in 2013
Races at: Elko Speedway
Michael Ostdiek
Age, hometown: 16, Lakeville
High School: Lakeville North
Races at: Elko Speedway
Jack Purcell
Age, hometown: 17, Bloomington
High School: Bloomington Jefferson
Races at: Elko Speedway and Raceway Park in Shakopee