IRON MAN in 30 Days Fitness Challenge at The Gym. You have 30 days to complete a full Ironman! All that complete the challenge get a prize. You don’t have to be a member to join the challenge. Rules of the Challenge: You have 30. 100 ideas for your next 30 day challenge. 30 day challenges are about trying something new, different, healthy, fun, or even crazy every day for…