Dallas Seavey beat his 55-year-old father to the finish line in Nome , Alaska , early Wednesday morning . The elder Seavey, who had been suffering from a heart condition for several years, was taken off life support at about 1 a.m. local time and died shortly after being airlifted by helicopter to Fairbanks Memorial Hospital During the race , Seavey 's dogs traveled an average of 7.6mph in temperatures as low as 50 below zero .
Dallas Seavey beat his 55-year-old father to the finish line in Nome , Alaska , early Wednesday morning . His time of eight days , 18 hours , 13 minutes and six seconds was five hours slower than his record-setting performance last year . During the race , Seavey 's dogs traveled an average of 7.6mph in temperatures as low as 50 below zero .