"When I get back to Australia, I will be relaxing with my friends, and it will sound amazing to be called a world champion. It has been six weeks since I have gotten a good night's sleep. No Australian has won this race at the world championships before, so it is good to be in the same club as the legends of this sport." On the final night of competition, Magnussen won a silver medal in the 4x100-metre medley relay with, Hayden Stoeckel, Brenton Rickard, and Geoff Huegill in a time of 3:32.26. Swimming the freestyle leg, Magnussen had a split of 47.00, by far the fastest in the field and was almost enough to overtake the gold winning Americans for 1st place. 2012 Australian Swimming Championships At the 2012 Australian Swimming Championships, which also served as Australia's Olympic trials, Magnussen qualified for the 2012 Summer Olympics, by becoming the national champion in the 50 and 100-metre freestyle. In his first event, the 100-metre freestyle, Magnussen recorded a time of 47.10 to win by over half a second. His 100-metre freestyle time was the 4th fastest swim in the history of the event, and also lowered his own unofficial textile record of 47.49. In the 100-metre freestyle final, Magnussen had a drastic change of tactics compared to his swims in Shanghai. At the first 50, Magnussen had a swift split of 22.68, and came back in 24.42. In the 100-metre freestyle final in Shanghai, he went out in 22.94 and came back in 24.69. Thus, Magnussen was more aggressive in the first 50-metres. Magnussen has stated he does plan on targeting César Cielo's world record of 46.91 in the 100-metre freestyle. After topping the heats (22.19) and semifinals (21.87) in the 50-metre freestyle, Magnussen won the final in a time of 21.74, the fastest any Australian has ever been in textile swimwear in that event. Prior to this competition, Magnussen's personal best in the 50-metre freestyle was 22.41. 2012 Summer Olympics At the 2012 Summer Olympics in London, Magnussen won a total of two medals, one silver and one bronze. In his first event, the 4×100-metre freestyle, Magnussen and his three other relay team members came fourth behind France, United States and Russia, despite being the favourites. As the lead-off leg, Magnussen recorded a time of 48.03, much slower than the 47.49 he led off in Shanghai. In the 100-metre