Walking the course a great way to stay in shape By CAROL STUART For Brentwood Home Page Golf at first glance might not seem like a big fitness adventure, but it's one way to enjoy the outdoors and stay active. That is, if you walk. "If you walk an 18-hole round of golf, you can walk between 5 and 7 miles. That’s a pretty good workout," said Scott Flynn, director of golf at Golf House Tennessee near Cool Springs.