| | Heat | Dash | B Feature | A Feature |
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| 4/18/2015 | LaSalle Speedway - Lasalle, IL 410 Sprints - Winged: IRA Interstate Racing Association with MOWA-Midwest Open Wheel Association Street Stocks | Results | | Wayne Modjeski (410 Sprints - Winged) | 7th | - | 5th | - |
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| 5/2/2015 | Plymouth Dirt Track-Sheboygan Co Fair - Plymouth, WI 360 Sprints - Winged: MSA Sprint Car Association | Results | | Wayne Modjeski (360 Sprints - Winged) | - | - | - | 6th |
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| 5/9/2015 | Beaver Dam Raceway - Beaver Dam, WI 410 Sprints - Winged: IRA Interstate Racing Association Winged A-Class, Pro Legends | Results | | Wayne Modjeski (410 Sprints - Winged) | 9th | - | 2nd | 19th |
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| 5/16/2015 | Wilmot Raceway - Wilmot, WI 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints | Results | | Wayne Modjeski (410 Sprints - Winged) | 4th | - | - | 24th (DNF) |
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| 5/23/2015 | Plymouth Dirt Track-Sheboygan Co Fair - Plymouth, WI 360 Sprints - Winged: MSA Sprint Car Association Supermodifieds | Results | | Wayne Modjeski (360 Sprints - Winged) | - | - | - | 8th |
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| 5/30/2015 | Cedar Lake Speedway - New Richmond, WI 410 Sprints - Winged: IRA Interstate Racing Association | Results | | Wayne Modjeski (410 Sprints - Winged) | 5th | - | - | 14th |
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| 5/31/2015 | Angell Park Speedway - Sun Prairie, WI 410 Sprints - Winged: IRA Interstate Racing Association Badger Midgets: Badger Midget Auto Racing Association Winged A-Class, Pro Legends | Results | | Wayne Modjeski (410 Sprints - Winged) | 6th | - | - | 13th |
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| 6/5/2015 | Manitowoc Co. Expo Speedway - Manitowoc, WI 360 Sprints - Winged: MSA Sprint Car Association | Results | | Wayne Modjeski (360 Sprints - Winged) | - | - | - | 2nd |
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| 6/6/2015 | Wilmot Raceway - Wilmot, WI 410 Sprints - Winged: IRA Interstate Racing Association Winged A-Class | Results | | Wayne Modjeski (410 Sprints - Winged) | 3rd | - | - | 12th |
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| 6/26/2015 | Manitowoc Co. Expo Speedway - Manitowoc, WI 360 Sprints - Winged: MSA Sprint Car Association | Results | | Wayne Modjeski (360 Sprints - Winged) | - | - | - | 2nd |
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| 6/27/2015 | Beaver Dam Raceway - Beaver Dam, WI 410 Sprints - Winged: World of Outlaws Pro Legends | Results | | Wayne Modjeski (410 Sprints - Winged) | 8th | - | 7th | - |
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| 7/3/2015 | Manitowoc Co. Expo Speedway - Manitowoc, WI Harbor Town Showdown 410 Sprints - Winged: IRA Interstate Racing Association Pro Legends | Results | | Wayne Modjeski (410 Sprints - Winged) | 6th | - | - | 19th |
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| 7/4/2015 | Plymouth Dirt Track-Sheboygan Co Fair - Plymouth, WI 360 Sprints - Winged: MSA Sprint Car Association Supermodifieds | Results | | Wayne Modjeski (360 Sprints - Winged) | - | - | - | 5th |
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| 7/10/2015 | Dodge County Fairgrounds - Beaver Dam, WI 360 Sprints - Winged: MSA Sprint Car Association 410 Sprints - Winged: IRA Interstate Racing Association | Results | | Wayne Modjeski (360 Sprints - Winged) | - | - | - | 4th | | Wayne Modjeski (410 Sprints - Winged) | 7th | - | 4th | 15th |
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| 7/17/2015 | Manitowoc Co. Expo Speedway - Manitowoc, WI 360 Sprints - Winged: MSA Sprint Car Association | Results | | Wayne Modjeski (360 Sprints - Winged) | - | - | - | 4th |
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| 7/24/2015 | Oshkosh Speed Zone Raceway - Oshkosh, WI 410 Sprints - Winged: IRA Interstate Racing Association | Results | | Wayne Modjeski (410 Sprints - Winged) | 6th | - | 7th | - |
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| 7/25/2015 | Wilmot Raceway - Wilmot, WI 410 Sprints - Winged: IRA Interstate Racing Association with All Star Circuit of Champions | Results | | Wayne Modjeski (410 Sprints - Winged) | 3rd | - | - | 18th |
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| 7/31/2015 | Langlade County Speedway - Antigo, WI 410 Sprints - Winged: IRA Interstate Racing Association | Results | | Wayne Modjeski (410 Sprints - Winged) | 4th | - | - | 18th (DNF) |
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| 8/1/2015 | Plymouth Dirt Track-Sheboygan Co Fair - Plymouth, WI 360 Sprints - Winged: MSA Sprint Car Association | Results | | Wayne Modjeski (360 Sprints - Winged) | - | - | - | 3rd |
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| 8/1/2015 | Sheboygan County Fair Park - Plymouth, WI 410 Sprints - Winged: IRA Interstate Racing Association Winged A-Class: Badger 600 Winged Micros Winged Outlaw | Results | | Wayne Modjeski (410 Sprints - Winged) | 1st | - | - | 24th (DNF) |
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| 8/14/2015 | Manitowoc Co. Expo Speedway - Manitowoc, WI 360 Sprints - Winged: MSA Sprint Car Association | Results | | Wayne Modjeski (360 Sprints - Winged) | - | - | - | 5th |
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| 8/21/2015 | Wilmot Raceway - Wilmot, WI 410 Sprints - Winged: IRA Interstate Racing Association | Results | | Wayne Modjeski (410 Sprints - Winged) | 5th | - | - | 11th |
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| 8/22/2015 | Wilmot Raceway - Wilmot, WI 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints | Results | | Wayne Modjeski (410 Sprints - Winged) | 7th | - | 7th | - |
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| 8/26/2015 | Manitowoc Co. Expo Speedway - Manitowoc, WI 360 Sprints - Winged: MSA Sprint Car Association | Results | | Wayne Modjeski (360 Sprints - Winged) | - | - | - | 6th |
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| 8/29/2015 | LaSalle Speedway - Lasalle, IL 410 Sprints - Winged: IRA Interstate Racing Association with MOWA-Midwest Open Wheel Association Midgets: POWRi National Midgets Badger Midgets: Badger Midget Auto Racing Association Economy Midgets, Street Stocks | Results | | Wayne Modjeski (410 Sprints - Winged) | 1st | - | - | 9th |
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| 9/4/2015 | Jackson Motorplex - Jackson, MN Jackson Nationals *National Sprint Car Museum Madness Night 410 Sprints - Winged: National Sprint League 360 Sprints - Winged | Results | | Wayne Modjeski (410 Sprints - Winged) | 8th | - | 6th | - |
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| 9/5/2015 | Jackson Motorplex - Jackson, MN Jackson Nationals - $25,000 to win, $1,000 to start 410 Sprints - Winged: National Sprint League 360 Sprints - Winged | Results | | Wayne Modjeski (410 Sprints - Winged) | 7th | - | 15th | - |
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| 9/6/2015 | 141 Speedway - Maribel, WI 410 Sprints - Winged: IRA Interstate Racing Association Pro Legends | Results | | Wayne Modjeski (410 Sprints - Winged) | 2nd | - | - | 7th |
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| 9/11/2015 | Gondik Law Speedway - Superior, WI 410 Sprints - Winged: IRA Interstate Racing Association | Results | | Wayne Modjeski (410 Sprints - Winged) | 2nd | - | - | 5th |
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| 9/12/2015 | Cedar Lake Speedway - New Richmond, WI Jerry Richert Memorial with IRA 410 Sprints - Winged: IRA Interstate Racing Association with National Sprint League 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series 360 Sprints - Winged | Results | | Wayne Modjeski (410 Sprints - Winged) | 8th | - | 13th | - |
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| 9/19/2015 | Beaver Dam Raceway - Beaver Dam, WI 410 Sprints - Winged: IRA Interstate Racing Association Winged A-Class, Pro Legends | Results | | Wayne Modjeski (410 Sprints - Winged) | 6th | - | 4th | 16th |
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| 9/25/2015 | Luxy Raceway - Luxemburg, WI Battle by the Bay 410 Sprints - Winged: IRA Interstate Racing Association | Results | | Wayne Modjeski (410 Sprints - Winged) | 1st | - | - | 7th |
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| 9/26/2015 | Dodge County Fairgrounds - Beaver Dam, WI 360 Sprints - Winged: MSA Sprint Car Association 410 Sprints - Winged: IRA Interstate Racing Association | Results | | Wayne Modjeski (360 Sprints - Winged) | - | - | - | 9th | | Wayne Modjeski (410 Sprints - Winged) | 4th | - | - | 21st (DNF) |
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| 10/3/2015 | Plymouth Dirt Track-Sheboygan Co Fair - Plymouth, WI 360 Sprints - Winged: Midwest Sprint Car Association with MSA Sprint Car Association 410 Sprints - Winged: IRA Interstate Racing Association | Results | | Wayne Modjeski (360 Sprints - Winged) | - | - | - | 7th | | Wayne Modjeski (410 Sprints - Winged) | 6th | - | - | 15th (DNF) |
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