He swam in the 2005 Maccabiah Games in Jerusalem, Israel. He won a gold medal and set a new Maccabiah Games record in the men's 200-meter butterfly.[1]
In 2007, Madwed competed at the World University Games in Bangkok, where he won a gold medal as a part of the 4 × 200 m freestyle relay, a silver as a part of the 4 × 100 m medley relay, and a bronze in the 200 m butterfly.
At the 2008 US Olympic Trials in Omaha, Nebraska, Madwed placed 5th in the 200 m butterfly[5] and 6th in the 200 m individual medley.[6] Madwed also entered the 200 m freestyle, 400 m freestyle, and the 100 m butterfly. He did not advance past the preliminaries in those events.
At the 2009 US National Championships and World Championship Trials, Madwed placed second to Peter Vanderkaay in the 400 m freestyle with a time of 3:47.24,[7] earning a place to compete at the 2009 World Aquatics Championships in Rome. At Nationals, Madwed also placed third in the 200 m butterfly final[8] and 7th in the 200 m freestyle preliminaries.[9] At the World Championships, Madwed placed ninth in the 400 m freestyle in 3:45.95, barely missing a place in the final.[10] Madwed also competed in the preliminaries of the 4 × 200 m freestyle, where he swam the second leg in 1:45.63.[11] The US won the gold medal in the final.