Single drum rollers 2020 992 h United States, CREEDMOOR, Texas
Single drum rollers 1,156 h United States, Williamsburg, Virginia
Single drum rollers 2016 United States, Salt Lake City, Utah
Single drum rollers 2016 630 h United States, Pittsfield, Massachusetts
Single drum rollers 2016 2,153 h United States, Holgate, Ohio
Single drum rollers 2016 1,165 h United States, San Antonio, Texas
Single drum rollers 2011 1,086 h United States, Long Beach, California
Single drum rollers 2015 1,898 h United States, San Antonio, Texas