He is issuing a challenge to his congregation and the entire city: If you’re not happy with your health, do something about it.

The pastor gave six sermons Saturday and Sunday while sweating and huffing on an elliptical machine. He swapped his trademark jeans and polo shirt for workout pants and a black T-shirt proclaiming “I am changed!”

“You have to keep going against the resistance,” he told the crowd. “If you get the results that you want, it’s because you paid the price.” ...