Guy Leech, Duncan Armstrong, Kerri Pottharst, Sally Gunnell and Roger Black all support the Tour de Cure charity bike ride, put on to raise funds to battle cancer in men, women and children.
The Tour will go from Victoria to Sydney to raise funds for the Prostate Cancer Foundation of Australia, National Breast Cancer Foundation and Camp Quality.
So far the Tour has been pledged a little more than half of their hopeful tally.
To make a donation go to the site.
The Tour de Cure for Cancer is on March 31 to April 8.