Single drum rollers 2017 United States, Austin, Texas
Single drum rollers 2016 United States, Austin, Texas
Twin drum rollers 2010 7,962 h Canada, Saskatoon, Saskatchewan
Twin drum rollers 2016 4,047 h Canada, Saskatoon, Saskatchewan
Twin drum rollers 2022 889 h Canada, Saskatoon, Saskatchewan
Single drum rollers 2014 485 h Canada, Claresholm, Alberta
Single drum rollers 2018 1,737 h Kazakhstan, Nur-Sultan
Single drum rollers 2019 532 h Serbia