The answer is yes! A pull buoy helps you maintain good body position in the water, which in turn helps you swim faster.If you're looking to up your swimming speed, pull buoy swim workouts might just be the answer. By helping to keep your legs afloat, a pull buoy allows you to focus on powering through the water with your arms. While it may take a bit of practice to get used to swimming with a pull buoy, it can definitely help you swim faster and improve your overall technique.