Colin O'Brady, of Portland, finished the bone-chilling, 930-mile (1,500-kilometer) journey as friends, family and fans tracked the endurance athlete's progress in real time online. He became the first person to traverse Antarctica alone without any assistance, trekking across the polar continent in an epic 54-day journey that was previously deemed impossible. from US News Headlines, Latest USA News, America Breaking News - Times of India http://bit.ly/2LByxSD