5/3/2025 | Limited Late Model, Street Stock, Pure Stock, Spectator, Powder Puff, Socker Stocker, Compact | | Details |
5/4/2025 | 50CC Shaft / 50CC Chain, 85CC, Quad Youth (Up to 125CC), 125-250 Knobby (Youth - 15 & Under), 65CC, Quad 90CC & Under, Quad Youth (Up to 250CC), Super Mini, Quad Youth (Up To 400CC), Quad (Up to 350CC), 125-250 Knobby, Mad Dawg - Stock, Quad (Up to 400CC), Pull Start Long/Short, Quad (Up to 450CC Stock), Open Pit Bike (125CC or Less), Mad Dawg - Unlimited, Knobby Open, Quad (Up to 450CC Modified), SXS - NA, SXS - Turbo, 250AM, Open Am/Pro/Pro Singles/Vintage Pro 600/Hooligan, Womens/450AM/Open Pro/Open Pro Twins, 30+/40+/50+/60+/70+/Vintage | | Details |
5/10/2025 | 410 Sprints - Winged: IRA Interstate Racing Association Lightning Sprints: IRA Lightning Sprints Badger Midgets: Badger Midget Auto Racing Association | | Details |
5/16/2025 | Spectator, Powder Puff, Socker Stocker, Compact, Midsize Mayhem Demo | | Details |
5/17/2025 | Limited Late Model, Street Stock, Pure Stock | | Details |
5/23/2025 | Spectator, Powder Puff, Socker Stocker, Compact | | Details |
5/24/2025 | Limited Late Model, Street Stock, Pure Stock | | Details |
5/30/2025 | Spectator, Powder Puff, Socker Stocker, Compact, Bonestock Demo | | Details |
5/31/2025 | Non Wing Crate Sprints: Wisconsin wingLESS Sprints Lightning Sprints: IRA Lightning Sprints Limited Late Model, Street Stock, Pure Stock | | Details |
6/1/2025 | 50CC Shaft / 50CC Chain, 85CC, Quad Youth (Up to 125CC), 125-250 Knobby (Youth - 15 & Under), 65CC, Quad 90CC & Under, Quad Youth (Up to 250CC), Super Mini, Quad Youth (Up To 400CC), Quad (Up to 350CC), 125-250 Knobby, Mad Dawg - Stock, Quad (Up to 400CC), Pull Start Long/Short, Quad (Up to 450CC Stock), Open Pit Bike (125CC or Less), Mad Dawg - Unlimited, Knobby Open, Quad (Up to 450CC Modified), SXS - NA, SXS - Turbo, 250AM, Open Am/Pro/Pro Singles/Vintage Pro 600/Hooligan, Womens/450AM/Open Pro/Open Pro Twins, 30+/40+/50+/60+/70+/Vintage | | Details |