The 45-year-old actor, known for his buff body, has set the Australian radio and TV personality the challenge of running the New York City Marathon in November, after he became concerned about him piling on the pounds, reported Contactmusic.
Worland, who weighed 308 pounds before training, is also filming his journey to becoming fit and the build up to the race for a documentary series.
He has also been getting lot of tips from his famous friend, whom he has known since they were schoolkids.