Wardian set an astounding new world record for the fastest cumulative marathon time of 19:21:36 hrs (or average marathon time of 2:45:57 hrs) to complete 7 marathons on 7 continents in 7 days. Although she didn't have the fastest average marathon time for women, China's Guoping Xie won the final marathon in Sydney and set a new women's world record for fastest time frame (female) to complete 7 marathons on 7 continents - completing them all in 6 days 8 hours 30 minutes. Thirty-one of 33 competitors succeeded in completing the 2017 World Marathon Challenge within 168 hours, or 7 Days -one competitor missed the first marathon race in Antarctica and another had to wothdraw due to injury after running two marathons. The Challenge started in Antarctica at 20:41 Sydney Time on 23 January 2017 and the last competitor finished long before the 7 Day deadline of 20:41 Sydney Time on 30th January. Please see the timeline on our Facebook Page for updates as they happened!