He won a gold medal and set a new Maccabiah Games record in the men's 200-meter butterfly.

[1] He competed at the 2006 Pan Pacific Championships in Victoria, British Columbia, and was the youngest American male swimmer at the event.

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.

Madwed is an Industrial and Operations engineering Masters student at the University of Michigan and trains with Club Wolverine.

Prior to attending Michigan, he swam with the North Baltimore Aquatic Club for two years.