The freestyle stroke is the fastest and most efficient of the four primary swimming strokes and is commonly used by many triathletes. Reading about how to swim might not be the best way to learn the stroke, so check out this video from expertvillage to guide you.
In the video, Phillip Toriello, competitive swimmer and instructor, provides a five-step process to learning the stroke. The components of the stroke are the reach, catch, pull, push and recovery. He also focuses on the alignment of the body, when to breathe, and the best way to get the most power and balance out of your kick.