116 from 13 nations were the competitors in US Open . 5 August was when it was held . US Open was established on 1992 . The no. of events in sport was 14 . The venue for US Open was New York City, New York,,United States,Maria Lenk Aquatic Center . 12 were the number of teams who competed in US Open . The sport has the official site chicagomarathon.com
US Open was a multiple day event