King James Version
But I keep under my body, and bring it into subjection: lest that by any means, when I have preached to others, I myself should be a castaway.English Standard Version
But I discipline my body and keep it under control, lest after preaching to others I myself should be disqualified.New International Version
No, I beat my body and make it my slave so that after I have preached to others, I myself will not be disqualified for the prize.