Pit gates open at 4 p.m., the grandstand opens at 6 p.m. and racing starts at 7 p.m. each night. Entry fee each night is $75 for Modifieds and $35 for Hobby Stocks. Grandstand admission for adults is $12 on Friday and $15 Saturday and Sunday. Seniors and veterans pay $8 on Friday and $12 on Saturday and Sunday. Pit passes are $30 a night or $75 for a three-day pass. IMCA Speedway Motors Weekly Racing National, regional and E3 Spark Plugs State points will be awarded all three nights. All three Modified features are 2020 Fast Shafts All-Star Invitational ballot qualifying events, with $1,000 at stake Friday, Aug. 30 and Saturday, Aug. 31. The Sunday, Sept. 1 feature pays $1,500 to win. GILLETTE, Wyo. – IMCA Modifieds and IMCA Sunoco Hobby Stocks run all three nights during Gillette Thunder Speedway’s 20th annual East-West Clash. Hobby Stocks run for $250 to win Friday and Saturday and $350 to win on Sunday. More information is available by calling 307 682-8866.