Single drum rollers 2018 2,072 h United States, Denver, Colorado
Single drum rollers 2016 1,940 h United States, Austin, Texas
Single drum rollers 2016 2,014 h United States, Tucson, Arizona
Single drum rollers 2005 853 h United States, San Diego, California
Single drum rollers 2016 1,600 h United States, PLACERVILLE, California
Single drum rollers 2015 1,264 h United States, Richmond, Virginia
Single drum rollers 2015 2,472 h United States, Hickory, North Carolina
Single drum rollers 2017 947 h United States, Calhoun, Georgia