Courtesy of WOWSA, Huntington Beach, California.

These women in black showcase their talents in oceans, lakes, and rivers around the world performing extraordinarily difficult feats of superhuman endurance, strength and speed.

Photo shows the women entering the warm Mexican waters of tropical Playa del Carmen along the Yucatan Peninsula for the FINA Open Water Swimming Grand Prix include Angela Maurer, Anna Olasz, Melissa Villasenor, Pilar Geijo, Silvie Rybárová, Zaira Cardenas, Esther Nuñez Morera, Xeniya Romanchuk, Olga Beresnyeva, Vicenia Navarro, Romina Imwinkelried, Ines Hahn, Lexie Kelly of Aquadeus, and Melinda Novoszath.

Copyright © 2014 by World Open Water Swimming Association