Single drum rollers 2002 9,214 h United States, Auburn, Washington
Single drum rollers 1991 3,780 h United States, Pittston, Pennsylvania
Single drum rollers 1991 1 h United States, Salt Lake City, UT
Single drum rollers 1999 6,175 h United States, Salt Lake City, UT
Single drum rollers 1999 3,932 h United States, Salt Lake City, Utah