Stock/Super Stock Shootout Payout Increases to $1500.00 to Win Per Day ~ June 22~23, 2019 by Marlin Roseland | Apr 19, 2019 | Oahe Speedway News June 22-23, 2019 Midwest Class Racers has stepped up with additional sponsorship money to increase the winner’s share to $1500.00 per day for Oahe Speedway’s Stock/Super Stock Shootout on June 22nd and 23rd.