John Criswell lettered seven times at Indianola High School. He was an outstanding track athlete. He ran on the 2 Mile Relay as a junior and senior, as well as the Mile Relay, all of which placed 3rd in the State meets and set new school records. The 2 Mile Relay time is still the best ever at Indianola. John competed at the University of Iowa, earning five letters in track and cross country and co-captained the 1971 Iowa Track team. After the University of Iowa, John went on to graduate from Drake University with a law degree. He has served as Warren County Attorney and has also had a private law practice in Indianola.