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| 6/12/2021 | Big Sky Speedway - Billings, MT O' Reilly Auto Parts Sprint Night 360 Sprints - Winged: ASCS Frontier Region IMCA Modified, IMCA Sport Compact, WISSOTA Midwest Mods, WISSOTA Super Stock | Results | | Jim Garretson (IMCA Sport Compact) | 5th (DNF) | - | - | DNS |
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| 6/19/2021 | Big Sky Speedway - Billings, MT Races Start @ 7:00PM Mods, MWM, Streets & SP IMCA Modified, IMCA Sport Compact, WISSOTA Midwest Mods, WISSOTA Street Stock | Results | | Jim Garretson (IMCA Sport Compact) | 3rd | - | - | 3rd |
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| 7/9/2021 | Big Sky Speedway - Billings, MT Titan Machinery Night & Late Model show Races Start @ 7pm Fireworks on Night 2. IMCA Modified, IMCA Sport Compact, WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Street Stock | Results | | Jim Garretson (IMCA Sport Compact) | 2nd | - | - | 1st |
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| 7/10/2021 | Big Sky Speedway - Billings, MT Night 2 of the 2 day Late Model show Races Start @ 7pm Fireworks after the Races. IMCA Modified, IMCA Sport Compact, WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Street Stock | Results | | Jim Garretson (IMCA Sport Compact) | 2nd | - | - | 2nd |
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| 7/23/2021 | Big Sky Speedway - Billings, MT O'Reilly Auto Parts 360 Sprint show Night 1 Races Start @ 7pm. Sprints, Mods, MWM, SP. 360 Sprints - Winged: ASCS Frontier Region IMCA Modified, IMCA Sport Compact, WISSOTA Midwest Mods | Results | | Jim Garretson (IMCA Sport Compact) | 3rd | - | - | 3rd (DNF) |
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| 7/24/2021 | Big Sky Speedway - Billings, MT 360 Sprint show Night 2 Races Start @ 7pm. Sprints, Mods, MWM, Streets & SP. 360 Sprints - Winged: ASCS Frontier Region IMCA Modified, IMCA Sport Compact, WISSOTA Midwest Mods, WISSOTA Street Stock | Results | | Jim Garretson (IMCA Sport Compact) | 2nd | - | - | 4th |
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| 8/7/2021 | Big Sky Speedway - Billings, MT Late Models, IMCA Mods with $1000 to win the main. Hample 50/50 Night. IMCA Modified, IMCA Sport Compact, WISSOTA Late Model, WISSOTA Street Stock | Results | | Jim Garretson (IMCA Sport Compact) | 5th | - | - | 3rd |
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| 8/21/2021 | Big Sky Speedway - Billings, MT Pack the stands night $5.00 to get in the front gate/Track Champion Night/CARQUEST Sponsor Night. IMCA Modified, IMCA Sport Compact, WISSOTA Midwest Mods, WISSOTA Street Stock | Results | | Jim Garretson (IMCA Sport Compact) | 4th | - | - | 3rd |
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| 8/28/2021 | Big Sky Speedway - Billings, MT Harvey Ostermiller/Mark Rieker Memorial Race Presented by RDO. 360 Sprints - Winged: ASCS Frontier Region IMCA Modified, IMCA Sport Compact, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Jim Garretson (IMCA Sport Compact) | 1st | - | - | 3rd |
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| 9/11/2021 | Big Sky Speedway - Billings, MT Big Sky Speedway & Stagg Motor Sports with Live Music featuring "The Repeat Offenders". 360 Sprints - Winged: ASCS Frontier Region IMCA Sport Compact, WISSOTA Midwest Mods | Results | | Jim Garretson (IMCA Sport Compact) | 2nd | - | - | 2nd |
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