Michael Phelps is entered in five events at this week 's Arena Pro Swim Series in Mesa , Arizona , which will be his first meet since serving a six-month ban following a drunk-driving conviction . Phelps , who was suspended last year by USA Swimming after his arrest on drunk driving charges , is entered in the 100-meter butterfly on Thursday , 100m backstroke and 400m freestyle on Friday and 200m individual medley and 100m freestyle on Saturday . The April 15-18 meet has attracted some of the top U.S. swimmers , including Phelps 's chief rival Ryan Lochte , who is entered in the same five events . Michael Phelps is entered in five events in Arizona this week having served his six month suspension . It will be familiar surroundings for Phelps , an 18-time Olympic gold medallist who ended his two-year retirement in 2014 at Mesa , sparking speculation that he is considering an Olympic comeback at the 2016 Rio Games . Following his arrest last September , the 29-year-old swimmer entered a rehabilitation program and in February announced his engagement to Nicole Johnson , a former Miss California USA . Phelps has won 22 Olympic medals , 18 golds , but was banned from swimming in September .
Michael Phelps was suspended by USA swimming following arrest . American is entered in five events at this two-year 's Arena Pro Swim Series . Phelps ' rival Ryan Lochte has entered into the same five events .