August 23, 1960             Hartford Motor Speedway, Hartford, MI      USAC Midget      Bob Wente
June 23, 1974       Wolverine 100      Hartford Motor Speedway, Hartford, MI      USAC Stock Car      Butch Hartman
August 14, 1977             Hartford Motor Speedway, Hartford, MI      ASA Stock Car      Larry Detjens
April 16, 1978       Spring Spectacular      Hartford Motor Speedway, Hartford, MI      ASA Stock Car      Dick Trickle
May 21, 1978       Strawberry Blossom 100      Hartford Motor Speedway, Hartford, MI      ASA Stock Car      Butch Miller
July 12, 2006             Hartford Motor Speedway, Hartford, MI      NST National Sprint Tour      Steve Kinser
July 10, 2009             Hartford Motor Speedway, Hartford, MI      All Star Circuit of Champions Sprint Car      Tim Shaffer
September 21, 2011             Hartford Motor Speedway, Hartford, MI      World of Outlaws Sprint Car      Joey Saldana
August 11, 2012       Wolverine Nationals      Hartford Motor Speedway, Hartford, MI      USAC Sprint Car      Dave Darland
July 24, 2015             Hartford Motor Speedway, Hartford, MI      All Star Circuit of Champions Sprint Car      Dale Blaney