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| 4/27/2018 | Electric City Speedway - Great Falls, MT MT Spring Roundup A Modifieds, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 1st |
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| 4/28/2018 | Electric City Speedway - Great Falls, MT MT Spring Roundup A Modifieds, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 3rd |
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| 5/4/2018 | Electric City Speedway - Great Falls, MT Spring Fling Sportsman Sprints, A Modifieds, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 20th (DNF) |
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| 5/5/2018 | Gillette Thunder Speedway - Gillette, WY Season Opener Hobby Stocks, A Modifieds, Sport Compact, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 1st |
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| 5/12/2018 | Southwest Speedway - Dickinson, ND Season opener Hobby Stocks, A Modifieds, Limited Sport Mod, Sport Compact, WISSOTA Street Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 6th (DNF) | - | - | 8th |
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| 5/25/2018 | Electric City Speedway - Great Falls, MT Dirty Dirt Driver Recognitions A Modifieds, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 2nd | - | - | 2nd |
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| 5/26/2018 | Gillette Thunder Speedway - Gillette, WY Pack the stand/ Power Wheels Demo/ Pitman Compeetition Hobby Stocks, A Modifieds, Sport Compact, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 1st |
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| 6/2/2018 | Gillette Thunder Speedway - Gillette, WY 360 Sprints - Winged: ASCS Frontier Region Hobby Stocks, A Modifieds, Sport Compact, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 1st |
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| 6/8/2018 | Big Sky Speedway - Billings, MT A Modifieds, WISSOTA Midwest Mods, WISSOTA Street Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 1st |
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| 6/9/2018 | Big Sky Speedway - Billings, MT 360 Sprints - Winged: ASCS Frontier Region Sprint Cars, A Modifieds, WISSOTA Midwest Mods, WISSOTA Street Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 2nd | - | - | 3rd |
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| 6/15/2018 | Gallatin Speedway - Belgrade, MT A Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Rain Out |
| 6/22/2018 | Gallatin Speedway - Belgrade, MT A Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 3rd | - | - | 11th (DNF) |
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| 6/29/2018 | Big Sky Speedway - Billings, MT WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Street Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 1st |
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| 6/30/2018 | Big Sky Speedway - Billings, MT A Modifieds, WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Street Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 12th (DNF) |
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| 7/3/2018 | Electric City Speedway - Great Falls, MT Fireball Special & 3rd Annual Warriors Rendezvous A Modifieds, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Rain Out |
| 7/4/2018 | Electric City Speedway - Great Falls, MT Fireball Special & 3rd Annual Warriors Rendezvous & Race of Champions A Modifieds, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 1st |
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| 7/6/2018 | Gallatin Speedway - Belgrade, MT 360 Sprints - Winged: ASCS National with ASCS Frontier Region WISSOTA Street Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 2nd | - | - | 2nd |
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| 7/7/2018 | Gillette Thunder Speedway - Gillette, WY WISSOTA Wild West Late Model & Midwest Modified Tour Hobby Stocks, Sport Compact, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 1st |
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| 7/13/2018 | Gallatin Speedway - Belgrade, MT A Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 3rd | - | - | 1st |
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| 7/14/2018 | Big Sky Speedway - Billings, MT 360 Sprints - Winged: ASCS Frontier Region Sprint Cars, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 3rd | - | - | 1st |
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| 7/20/2018 | Gallatin Speedway - Belgrade, MT A Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 5th |
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| 7/21/2018 | Electric City Speedway - Great Falls, MT Late Model Clash #2 A Modifieds, WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 5th | - | - | 13th (DNF) |
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| 7/27/2018 | Gallatin Speedway - Belgrade, MT A Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 1st |
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| 7/28/2018 | Big Sky Speedway - Billings, MT A Modifieds, WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Street Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 4th | - | - | 2nd |
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| 8/3/2018 | Gallatin Speedway - Belgrade, MT 360 Sprints - Winged: ASCS Frontier Region A Modifieds, WISSOTA Street Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 2nd | - | - | 2nd |
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| 8/4/2018 | Gillette Thunder Speedway - Gillette, WY IMCA .38 Special Hobby Stocks, A Modifieds, Sport Compact, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 2nd | - | - | 2nd |
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| 8/10/2018 | Gallatin Speedway - Belgrade, MT A Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 4th | - | - | 5th |
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| 8/11/2018 | Electric City Speedway - Great Falls, MT Sprint Car Shoot Out 360 Sprints - Winged: ASCS Frontier Region with North-American Speed Association WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 1st |
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| 8/17/2018 | Gallatin Speedway - Belgrade, MT A Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Rain Out |
| 8/18/2018 | Idaho Falls Raceway - Idaho Falls, ID Stock Cars, A Modifieds, B Modifieds, Junior Class, Asphalt Mini Stock, Jr Gas Karts, 500 Winged Open Outlaw, WISSOTA Street Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 2nd | - | - | 3rd |
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| 8/24/2018 | Gallatin Speedway - Belgrade, MT A Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 2nd | - | - | 11th (DNF) |
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| 8/25/2018 | Big Sky Speedway - Billings, MT Big Sky Brawl at Billings 410 Sprints - Winged: World of Outlaws WISSOTA Street Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 14th |
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| 8/31/2018 | Gallatin Speedway - Belgrade, MT A Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 4th |
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| 9/1/2018 | Electric City Speedway - Great Falls, MT 25th Montana Roundup Sprint Car Shoot Out 360 Sprints - Winged: North-American Speed Association A Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | - | - | 2nd |
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| 9/2/2018 | Electric City Speedway - Great Falls, MT 25th Montana Roundup Sprint Car Shoot Out 360 Sprints - Winged: North-American Speed Association A Modifieds, WISSOTA Street Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 3rd | - | - | 2nd |
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| 9/7/2018 | Gallatin Speedway - Belgrade, MT 360 Sprints - Winged: ASCS Frontier Region A Modifieds, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 1st | 2nd | - | 14th (DNF) |
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| 9/12/2018 | I-94 Speedway - Fergus Falls, MN Speedway Motors WISSOTA 100 Day 1 A Modifieds, B Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 3rd | - | - | 17th |
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| 9/13/2018 | I-94 Speedway - Fergus Falls, MN Speedway Motors WISSOTA 100 Day 2 A Modifieds, B Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 8th | - | - | - |
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| 9/14/2018 | I-94 Speedway - Fergus Falls, MN Speedway Motors WISSOTA 100 Day 3 A Modifieds, B Modifieds, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | 8th | - | - | - |
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| 9/15/2018 | I-94 Speedway - Fergus Falls, MN Speedway Motors WISSOTA 100 Day 4 A Modifieds, B Modifieds, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Robert Petroff (WISSOTA Street Stock) | - | - | - | - |
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| 9/29/2018 | Sheridan Speedway - Sheridan, WY I-90 Challenge Sponsored by - Hobby Stocks, Dirt Mini Trucks, A Modifieds, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Rain Out |