Sports Desiree Linden breaks women’s 50K world record, running 31 miles in under three hours April 13, 2021Jeff Metcalfe, Arizona RepublicComments Off on Desiree Linden breaks women’s 50K world record, running 31 miles in under three hours Desiree Linden became the first woman to run under three hours for 50 kilometers, averaging well under six minutes per mile over 31 miles.