Butterfly

Butterfly

• Swum on the breast (shoulders at or past vertical toward the breast).
• Forward start is used.
• Unlimited kicks after start, but only one arm pull to bring swimmer to the surface.
• Head must break the surface by the 15-meter mark after start and each turn.
• Thereafter, swimmer must remain on the surface until after the next turn.
• All movements of the arms must be simultaneous.
• Once a stroke is begun, the arms must then recover over the surface of the water.
• All movements of the legs also must be simultaneous.
• Uses a downward butterfly kick; alternating or breaststroke kicks are not allowed.
• Must see the alternation of the feet during the kick to charge the swimmer with an alternating kick.
• At the turns and finish, both hands must touch the wall simultaneously at, above or below the water surface; hands need not be in the same horizontal plane at touch.