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A typical workout for a series competitive swimmer might be between 8000-10000 yards in a 2 hour period, or 320-400 25-yard laps in 2 hours. A beginning obviously will be substantially less.
Swim your heart out. If youâre looking for exercise that improves heart and lung capacity, but is gentle on your joints, swimming is a top choice. Like other aerobic exercise such as running, it can improve cardiovascular fitness as well as cholesterol levels, provided you swim at a brisk pace. Aim to swim laps for 20 to 40 minutes at a pace that keeps your heart rate up.