\"Sports Illustrated\" fans voted Michael Phelps\' record wins at the Olympics this year as the most memorable sporting moment of 2012. Fans of the sports magazine were allowed to vote via Facebook, Twitter and Instagram for their favorite moment in sports this year, Sports Illustrated said in a release. About 21 percent of voters cast their votes for Phelps\' performance at the 2012 Olympics in London where he won gold in the 100-meter butterfly, 200-meter medley and was on the winning 400-meter medley and 800-meter freestyle relay teams. He was also earned silver in the 200-meter butterfly and 400-meter freestyle relay. He ended up being the most decorated Olympian of all time, with a record 18 golds and 22 overall medals won in three Olympic games. Gabby Douglas winning gold at the Olympics for gymnastics came in second on the list of five with 19 percent. The two Olympic moments were followed by Peyton Manning returning to the Denver Broncos, Jamaican sprinter Usain Bolt setting records at the Olympics this year, and The San Francisco Giants\' World Series Win.