A picture of a woman in the pool holding her hand up

Top swimming world record holders

With multiple world record to their names, we highlight the top swimmers who will be defending their marks at the 2015 IPC Swimming World Championships from 13 July.

Raymond Martin of the United States competes in the Men's 400m T52 heats at the London 2012 Paralympic Games.

#WorkoutWednesday: Raymond Martin

After winning five world titles in 2013, Martin already has one to his name in 2015 after recent success at the IPC Athletics Marathon World Championships.