Single drum rollers 2019 1,482 h United States, Waterloo, Iowa
Single drum rollers 2020 3,347 h United States, Asheboro, North Carolina
Single drum rollers 2022 155 h United States, Columbus, Indiana
Single drum rollers 2022 398 h United States, Indianapolis, Indiana
Single drum rollers 2020 3,563 h United States, Bondurant, Iowa
Single drum rollers 2024 10 h United States, Fort Dodge, Iowa
Single drum rollers 2024 23 h United States, Fort Dodge, Iowa
Single drum rollers 2024 28 h United States, Waterloo, Iowa
Single drum rollers 2017 1,250 h United States, Burr Ridge, Illinois
Single drum rollers 2019 49 h United States, Duluth, Minnesota
Single drum rollers 2023 136 h United States, Whitestown, Indiana
Single drum rollers 2017 1,189 h United States, Tampa, Florida