An addition to the World Relays Prize structure announcement :
*Distance medley becomes official world record event
The distance medley (which comprises legs of 1200m, 400m, 800m, 1600m) will be officially recognized as a world record distance from 1 May 2015.
Now that it's got WR status what will the WR be when the next addition of World Relays Opens?
no change 9:15.50