 Complete the following phrase:  At the 2012 Summer Olympics in London, Cielo finished 6th in the 100-metre freestyle, with a time of 47.92 seconds. The gold went to Nathan Adrian 47.52 seconds, followed by James Magnussen 47.53 seconds and Brent Hayden 47.80 seconds. At the 50-metre mark, Cielo had the fastest split with a time of 22.60 seconds. In the 