THE RACE OF CHAMPIONS DIRT 602 SPORTSMAN MODIFIED SERIES HEADS TO OHSWEKEN SPEEDWAY THIS FRIDAY, AUGUST 2, 2024 30.07.2024 15:47 Speedway Media The Race of Champions Dirt 602 Sportsman Modified Series returns to action this Friday with the running of the Stirling Lubricants Sportsman Shootout at the beautiful Ohsweken Speedway in Central Ontario, Canada.