Single drum rollers 2020 2,358 h United States, Salt Lake City, Utah
Single drum rollers 2023 1,119 h United States, Salt Lake City, Utah
Single drum rollers 2019 3,989 h United States, Salt Lake City, Utah
Single drum rollers 2018 4,238 h United States, Salt Lake City, Utah
Single drum rollers 2024 554 h United States, Salt Lake City, UT