| 4/4/2015 | | | Details |
| 4/11/2015 | Late Models, IMCA Modifieds, Super Sports, Sportsmans, Street Stocks | | Details |
| 4/17/2015 | Formula G, 5HP Open, 5HP Intermediate, Rookie Speedway Karts, Junior 1 Speedway Kart, AKRA Speedway Karts, KT/Star Speedway, 125cc, 250cc, WPCK Karts, Micro Madness Micro Sprints | | Canceled |
| 4/18/2015 | Late Models, Super Sports, Sportsmans, Street Stocks | | Mayea, Glaser, Coffell, Hunziker, Boyd |
| 4/24/2015 | | | Rain Out |
| 4/25/2015 | IMCA Modifieds, Super Sports, Sportsmans, Street Stocks | | Cady, Wild, James, Carrell, Cassell |
| 5/1/2015 | Formula G, 5HP Open, 5HP Intermediate, Rookie Speedway Karts, Junior 1 Speedway Kart, AKRA Speedway Karts, KT/Star Speedway, 125cc, 250cc, WPCK Karts, Micro Madness Micro Sprints | | Hanson, Mendez |
| 5/2/2015 | Late Models, IMCA Modifieds, Sportsmans, Street Stocks | | Glaser, Cronk, Mayea, James, Duty |
| 5/8/2015 | | | Details |
| 5/9/2015 | Late Models, Super Sports, Sportsmans, Street Stocks | | Duty, Cronk, Mayea, Glaser, Coffell |
| 5/15/2015 | Formula G, 5HP Open, 5HP Intermediate, Rookie Speedway Karts, Junior 1 Speedway Kart, AKRA Speedway Karts, KT/Star Speedway, 125cc, 250cc, WPCK Karts, Micro Madness Micro Sprints | | Canceled |
| 5/16/2015 | IMCA Modifieds, Super Sports, Sportsmans, Street Stocks | | Winebarger, Cady, Quinn, Campos, Cronk |
| 5/22/2015 | | | Details |
| 5/23/2015 | Late Models, IMCA Modifieds, Super Sports, Sportsmans, Street Stocks | | Cronk, Duty, Coffell, Luckman, Boyd |
| 5/24/2015 | Late Models, Super Sports, Sportsmans, Street Stocks | | Cronk, Duty, Duty, Mayea, Coffell |
| 5/30/2015 | Limited Late Models: NW Extreme Late Models Dwarf Cars, Super Sports, Sportsmans, Street Stocks | | zzzMorton, Robustelli, Chrisman, Hay, Martinez |
| 6/5/2015 | Formula G, 5HP Open, 5HP Intermediate, Rookie Speedway Karts, Junior 1 Speedway Kart, AKRA Speedway Karts, KT/Star Speedway, 125cc, 250cc, WPCK Karts, Micro Madness Micro Sprints | | Mendez, Hanson, Asher |
| 6/6/2015 | Late Models, IMCA Modifieds, Super Sports, Sportsmans, Street Stocks | | Mayea, Shank, Cronk, James, Winebarger |
| 6/12/2015 | | | Details |
| 6/13/2015 | Late Models, Super Sports, Sportsmans, Street Stocks | | James, Cronk, Mayea, Duty, Coffell |
| 6/19/2015 | IMCA Modifieds, Super Sports, Street Stocks | | Stanford, Gaylord, Williamson, Shank, Winebarger |
| 6/20/2015 | IMCA Modifieds, Super Sports, Street Stocks | | Winebarger, Peery, Gaylord, Shank, Debenedetti |
| 6/21/2015 | | | Details |
| 6/26/2015 | Formula G, 5HP Open, 5HP Intermediate, Rookie Speedway Karts, Junior 1 Speedway Kart, AKRA Speedway Karts, KT/Star Speedway, 125cc, 250cc, WPCK Karts, Micro Madness Micro Sprints | | Hanson, Simmons |
| 6/27/2015 | Late Models, IMCA Modifieds, Super Sports, Sportsmans, Street Stocks | | Duty, Cronk, Mayea, James, Coffell |
| 7/2/2015 | ASCS Sprint Cars: Western Sprint Tour Street Stocks | | Bergman, Crockett, Hirst, Tiner, Copeland |
| 7/4/2015 | Late Models, IMCA Modifieds, Super Sports, Sportsmans, Street Stocks | | Cronk, Duty, Coffell, Duty, Mayea |
| 7/10/2015 | Formula G, 5HP Open, 5HP Intermediate, Rookie Speedway Karts, Junior 1 Speedway Kart, AKRA Speedway Karts, KT/Star Speedway, 125cc, 250cc, WPCK Karts, Micro Madness Micro Sprints | | Batalgia, Simmons, Mendez, Hanson |
| 7/11/2015 | Late Models, Super Sports, Sportsmans | | Mayea, James, Cronk, Coffell, Hipple |
| 7/17/2015 | | | Details |
| 7/18/2015 | Late Models, IMCA Modifieds, Super Sports, Sportsmans | | Cronk, James, Luckman, Brewster, Hipple |
| 7/25/2015 | IMCA Modifieds, Super Sports, Sportsmans, Street Stocks | | Cassell, Yeack, James, Thompson, Ryker |
| 7/31/2015 | Formula G, 5HP Open, 5HP Intermediate, 125cc, 250cc, WPCK Karts | | Simmons, Fuller, Ternora, Hanson, Silliker |
| 8/1/2015 | Formula G, 5HP Open, 5HP Intermediate, 125cc, 250cc, WPCK Karts | | Hanson, Silliker, Mendez, Simmons, Fuller |
| 8/7/2015 | | | Details |
| 8/8/2015 | Late Models, Super Sports, Sportsmans, Street Stocks | | James, Duty, Cronk, Coffell, Brakeall |
| 8/15/2015 | Late Models, IMCA Modifieds, Sportsmans, Street Stocks | | Winebarger, Coffell, Duty, Brakeall, Mayea |
| 8/21/2015 | Formula G, 5HP Open, 5HP Intermediate, Rookie Speedway Karts, Junior 1 Speedway Kart, AKRA Speedway Karts, KT/Star Speedway, 125cc, 250cc, WPCK Karts, Micro Madness Micro Sprints | | Fuller, Mendez, Shank, Fuller, Simmons |
| 8/22/2015 | IMCA Modifieds, Super Sports, Sportsmans, Street Stocks, DIRTcar Sport Compact | | Winebarger, Shank, Yeack, James, Smith |
| 8/29/2015 | Late Models, IMCA Modifieds, Sportsmans, Street Stocks | | Rain Out |
| 9/4/2015 | | | Details |
| 9/5/2015 | Late Models, Super Sports, Sportsmans, Street Stocks | | Mayea, Tanner, Shank, Duty, Coffell |
| 9/11/2015 | Formula G, 5HP Open, 5HP Intermediate, Rookie Speedway Karts, Junior 1 Speedway Kart, AKRA Speedway Karts, KT/Star Speedway, 125cc, 250cc, WPCK Karts, Micro Madness Micro Sprints | | Simmons, Mendez, Shank, Ternora |
| 9/12/2015 | Late Models, Super Sports, Sportsmans, Street Stocks | | Mayea, Duty, Coffell, Cronk, Brewster |
| 9/19/2015 | Late Models, IMCA Modifieds, Sportsmans, Street Stocks | | Tanner, Coffell, Winebarger, Duty, Elliott |
| 9/25/2015 | Formula G, 5HP Open, 5HP Intermediate, Rookie Speedway Karts, Junior 1 Speedway Kart, AKRA Speedway Karts, KT/Star Speedway, 125cc, 250cc, WPCK Karts, Micro Madness Micro Sprints | | Shank, Mendez, Nunez, Asher, Simmons |
| 9/26/2015 | Late Models, IMCA Modifieds, Super Sports, Sportsmans, Street Stocks | | Winebarger, Shank, Brakeall, Coffell, Mayea |