Julia Murph and Mori Hays at the end of Tierra del Fuego after a year and a half and about 12,000 miles on their bikes. (Photo courtesy of Mori Hays)

Just before Christmas this year, Mori Hays and Julia Murph found themselves in an unfamiliar situation: waiting in line to take a selfie. 

Most of the past year and a half had been spent on the saddle of their bicycles slogging through thousands of miles…