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| 4/25/2021 | Sheridan Speedway - Sheridan, WY Sponsored by Rocky Mountain Ambulance Quarter Midgets, Dirt Mini Trucks, Junior Honda, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Riley Culligan (Quarter Midgets) | 4th | - | 5th | - |
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| 5/16/2021 | Sheridan Speedway - Sheridan, WY Street Stock Special - Sponsored by M & K Rentals Quarter Midgets, Dwarf, Junior Honda, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Riley Culligan (Quarter Midgets) | 4th | - | 2nd | 7th |
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| 5/23/2021 | Sheridan Speedway - Sheridan, WY Sponsored by Sheridan Motors and Jimmy Johns Quarter Midgets, Dirt Mini Trucks, Junior Honda, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Riley Culligan (Quarter Midgets) | 2nd | - | - | 5th |
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| 6/6/2021 | Sheridan Speedway - Sheridan, WY Mod 4 Special - Sponsored by Sheridan Driveline Services and Matco - - Kids Bike Races Quarter Midgets, Dwarf, Junior Honda, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Riley Culligan (Quarter Midgets) | 1st | - | - | 1st |
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| 7/11/2021 | Sheridan Speedway - Sheridan, WY Race of Champions - Sponsored by Farmer's Co-op and Jim Volk - Kids Bike Races - Quarter Midgets, Junior Honda, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Riley Culligan (Quarter Midgets) | 2nd | - | - | 6th |
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| 8/1/2021 | Sheridan Speedway - Sheridan, WY Mini Stock Special - Sponsored Alpine Climate Control and Jack Wood Quarter Midgets, Dirt Mini Trucks, Junior Honda, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Riley Culligan (Quarter Midgets) | 5th | - | - | 5th | | Riley Culligan (Junior Honda) | - | - | - | - |
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| 8/15/2021 | Sheridan Speedway - Sheridan, WY I 90 - Night 3 Sponsored by Sheridan Homes Quarter Midgets, Dirt Mini Trucks, Junior Honda, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Riley Culligan (Quarter Midgets) | 4th | - | 5th (DNF) | - |
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| 8/22/2021 | Sheridan Speedway - Sheridan, WY CHAMPIONSHIP NIGHT!!!! -- Sponsored by Rocky Mountain Ambulance Quarter Midgets, Dirt Mini Trucks, Junior Honda, IMCA Modified, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Riley Culligan (Quarter Midgets) | 1st | - | - | 2nd |
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