Jack Radtke is a former NASCAR driver from Grays Lake, IL. He competed in two Nextel Cup Series events in his career, earning one top-ten. His first race came in 1955, when Radtke started his career at Daytona Beach Road Course. Despite starting a dismal 43rd in the field, Radtke completed all but one lap in the race and wound up with a remarkable 10th place showing. Radtke's other race came in 1956, when Radtke returned to Daytona Beach. Starting 58th this go round, Radtke raced his way forward in the race again and wound up with a solid 13th place showing.