RIO DE JANEIRO, Dhu-AlQa'dah 9, 1437, Aug 12, 2016, SPA -- It's Day 7 at the Rio Games and athletes are vying for 25 gold medals in 13 different sports, AP reported. American superstar Michael Phelps is looking to claim his 23rd Olympic gold with a standout performance in the 100 meter butterfly, while teammate Katie Ledecky is aiming to dominate the women's 800 meter freestyle final. Track and field is starting up and two women will each be seeking a third consecutive gold: Tirunesh Dibaba of Ethiopia in the 10,000 meters and New Zealander Valerie Adams in the shot put. On the tennis court, Rafael Nadal of Spain will team up with Marc Lopez to face Romania in a gold medal doubles match, while in boxing, American Nico Hernandez will be fighting for gold against Uzbekistan's Hasanboy Dusmatov. Medals will also be awarded in archery, track cycling, equestrian, fencing, judo, rowing, shooting, trampoline gymnastics and weightlifting. --SPA 14:37 LOCAL TIME 11:37 GMT www.spa.gov.sa/w