Usain Bolt who broke 100 meter world record and Michael Johnson's 200 meters record. He ran 100 Meters in 9.69 seconds. Then Michael Phelps performance in which he broke Mark Spitz's record of 7 Gold medals in 1972 Olympic games. Third Yelena Isinbayeva's record performance in Pole Vault in which she broke her own record of 5.05 meters. Not to forget are our own Abhinav and Afghanistan's Rohulla Nikpai.