| 4/7/2018 | IRA and MOWA 410 Sprint Special 410 Sprints - Winged: IRA Interstate Racing Association with MOWA-Midwest Open Wheel Association | | Canceled |
| 4/21/2018 | Wipperfirth Memorial 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association | | Postponed |
| 4/29/2018 | Wipperfirth Memorial 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association | | Meyer, Henderson, Blackhurst, Balog, Thiel |
| 5/5/2018 | 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints Lightning Sprints: Wisconsin Illinois Mini Sprints | | VanderVere, Thiel, Schultz, Meyer, Blackhurst |
| 5/11/2018 | ** Non-Points 410 Sprints - Winged: IRA Interstate Racing Association 305 Sprints - Winged | | Postponed |
| 5/12/2018 | ** Non-Points 410 Sprints - Winged: IRA Interstate Racing Association 305 Sprints - Winged, 360 Sprints - Winged | | Brown, Brown, Brown, Brown, Brown |
| 5/19/2018 | 410 Sprints - Winged: IRA Interstate Racing Association with All Star Circuit of Champions | | |
| 5/20/2018 | (7/26 rain date TBD) 410 Sprints - Winged: IRA Interstate Racing Association with All Star Circuit of Champions Badger Midgets: Badger Midget Auto Racing Association | | Rain Out |
| 5/26/2018 | 410 Sprints - Winged: IRA Interstate Racing Association Pro Legends | | Thiel, Balog, Reinke, Meyer, Borland |
| 5/27/2018 | 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints Pro Legends | | Balog, Blackhurst, Schultz, Reinke, Decker |
| 6/15/2018 | 410 Sprints - Winged: IRA Interstate Racing Association | | Rain Out |
| 6/16/2018 | 410 Sprints - Winged: IRA Interstate Racing Association | | Balog, Biertzer, Neitzel, Briscoe, Blackhurst |
| 6/17/2018 | Norm Nelson Classic 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association | | Thiel, Balog, Schultz, Reinke, Henderson |
| 6/30/2018 | 410 Sprints - Winged: IRA Interstate Racing Association with All Star Circuit of Champions | | Reutzel, Blaney, Kemenah, Macedo, McMahan |
| 7/1/2018 | 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints | | Canceled |
| 7/6/2018 | Harry Neitzel Tribute 410 Sprints - Winged: IRA Interstate Racing Association Dirt Late Models: Dirt Kings Late Model Tour | | Blackhurst, Reinke, Schultz, Thiel, Neitzel |
| 7/7/2018 | 410 Sprints - Winged: IRA Interstate Racing Association with MOWA-Midwest Open Wheel Association | | Goldesberry, Blackhurst, Balog, Miller, Wimmer |
| 7/21/2018 | Frank Filskov Memorial 410 Sprints - Winged: IRA Interstate Racing Association | | Rain Out |
| 7/26/2018 | 410 Sprints - Winged: All Star Circuit of Champions Badger Midgets | | Smith, Balog, Blaney, Kemenah, Abreu |
| 7/27/2018 | Langlade County Fair 410 Sprints - Winged: IRA Interstate Racing Association | | Blackhurst, Schmidt, Thiel |
| 8/4/2018 | 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints | | Blackhurst, Neitzel, McMullen, VanderVere, Spitz |
| 8/6/2018 | ** Non-Points 410 Sprints - Winged: IRA Interstate Racing Association 305 Sprints - Winged | | Larson, Sweet, Stewart, Madsen, Scelzi |
| 8/18/2018 | The Kenosha County Fair's Roger Iles Tribute 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints | | Blackhurst, Wimmer, VanderVere, Meyer, Balog |
| 8/19/2018 | Miller Light Corn Fest 410 Sprints - Winged: IRA Interstate Racing Association Badger Midgets: Badger Midget Auto Racing Association | | Thiel, Balog, Schultz, Goldesberry, Meyer |
| 8/24/2018 | Rick Schmidt Memorial 410 Sprints - Winged: IRA Interstate Racing Association | | Rain Out |
| 9/1/2018 | Sheboygan County Fair 410 Sprints - Winged: IRA Interstate Racing Association | | Balog, Stewart, Thiel, Blackhurst, McMullen |
| 9/2/2018 | 410 Sprints - Winged: IRA Interstate Racing Association Pro Legends | | Rain Out |
| 9/7/2018 | Northern Nationals 410 Sprints - Winged: IRA Interstate Racing Association | | Madsen, Gee, McCarl, Balog, Blackhurst |
| 9/8/2018 | Jerry Richert Memorial 410 Sprints - Winged: IRA Interstate Racing Association 360 Sprints - Winged | | Tatnell, Madsen, McCarl, Heskin, Schuerenberg |
| 9/14/2018 | Clay County Fair 410 Sprints - Winged: IRA Interstate Racing Association 360 Sprints - Winged | | Madsen, Henderson, McCarl, Thiel, Tatnell |
| 9/15/2018 | 410 Sprints - Winged: IRA Interstate Racing Association A Modifieds, 360 Sprints - Winged | | Madsen, McCarl, Jeffrey, Henderson, Gee |
| 9/22/2018 | Scott Semmelmann Memorial 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association | | Madsen, Reinke, Thiel, Neitzel, Mock |
| 9/23/2018 | Bill Waite Jr Memorial 410 Sprints - Winged: IRA Interstate Racing Association with MOWA-Midwest Open Wheel Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints | | Price Miller, Scelzi, Stewart, Thiel, Wimmer |
| 9/28/2018 | 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints | | Thiel, Stewart, Schultz, McMullen, Reinke |
| 9/29/2018 | 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints 360 Sprints - Winged | | Balog, Stewart, Reinke, Thiel, Blackhurst |
| 12/15/2018 | IRA Awards Banquet 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints | | Details |