C cracker89 MIA Apr 11, 2010 #1 Apr 11, 2010 #1 In a bid to keep my fitness levels up ive signed up to the Charity fitness challenge at my gym! Got 4 weeks to complete it. Starts on Tuesday! 120 Minutes on Treadmill 12 Kilometers on Cross Trainer 1200 Calories on bikes Sounds easyish...haha! Wish me luck peoples!