The Olympic and world champion and world record holder will be the biggest name at the event, with Jamaican 100m sprint world champion Yohan Blake the other superstar so far confirmed.
Rudisha's astonishing time of 1:40.91 as he won Olympic gold last summer was hailed as the greatest athletics performance of London 2012 - and he has made it his goal this season to break the one minute 40 second barrier.
"It's not impossible but it is very difficult," he said.
