<p><strong>Competitors in the Brazilian Aquathlon run in Rio Negro in the winning image of National Geographic's <a href="http://travel.nationalgeographic.com/travel/traveler-magazine/photo-contest/2013/">2013 Traveler Photo Contest</a>.</strong></p> <p dir="ltr">"I photographed it from the water and my lens got completely wet, but there was so much energy in these boys that I just didn't worry about it," said photographer Wagner Araujo of Belo Horizonte, <a href="http://travel.nationalgeographic.com/travel/countries/brazil-guide/">Brazil</a>.</p> <p dir="ltr"><em>National Geographic Traveler</em> director of photography <a href="http://www.danwestergren.com/">Dan Westergren</a>, one of this year's judges, said: "This photo really captures my attention because of the peak action it depicts. I love the horizontal tension caused by the main subject on his way out of the picture to the right."</p> <p>The 25th annual photo contest received more than 15,000 entries in four categories: Travel Portraits, Outdoor Scenes, Sense of Place, and Spontaneous Moments. (<a href="http://travel.nationalgeographic.com/travel/traveler-magazine/photo-contest/2013/entries/recent-entries/">See all the entries</a>.)</p>