Race A Swimmer 2012
Are you a future Olympian or Paralympian? To find out get in the pool, record your best time and see how it stands up to our star swimmers.
That's right, find out how your PB stacks up against Rebecca Adlington when she was younger.
To race our Olympic and Paralympic stars simply choose your distance, enter your PB time in 100m or 400m Free, enter your age and click start. You'll race against the swimmers' PBs when they were that age.
Find out if you are a Bronze, Silver or Gold and tell your friends about it on Twitter. Have fun.