Single drum rollers 2014 United States, Lester, Pennsylvania
Single drum rollers 2014 1,229 h Canada, Estevan, Saskatchewan
Single drum rollers 2007 681 h Netherlands, Etten-Leur, Noord-Brabant
Single drum rollers 2010 577 h Netherlands, Etten-Leur, Noord-Brabant
Single drum rollers 2007 838 h Poland, Rakoniewice, wielkopolskie
Single drum rollers 2008 987 h Poland, Czarnocin, łódzkie
Single drum rollers 2011 854 h Sweden