Published August 15, 2012 04:30PM

Photo: Robert Murphy
When viewed from shore, it looks like some athletes are using butterfly strokes at the beginning of the race. These athletes are actually diving through waves and gripping the bottom to propel themselves forward.
Step 1: Dive down as the wave approaches, leading with your hands. When your hands touch the bottom,
dig them into the sand and pull your body forward.
Step 2: Plant your feet on the bottom and launch your body out of the water.
Step 3: As your body arcs over the surface, swing your arms around to prepare for the next dive.
Step 4: Push off and take a deep breath before diving under the next wave.
For further instruction, check out the video above.