If you're looking to start swimming for exercise but really have no idea where to start then you should definitely check out Swimplan.com — a free online swim planner. All you have to do is register (free and easy) and fill out some information on your basic swimming abilities. In return they'll send you a weekly personalized swimming fitness workout. What's more? Even if you're not a beginner you can find workouts for intermediate, master, squad, and competitive swimmers. Check it out here.