Sports Illustrated has a great photo sequence of Michael Phelp's insanely narrow victory by 0.01 seconds over Serbian Milorad Cavicin (also a California-Berkeley graduate) in the 100m butterfly Men's swimming event. As they approached the wall in this "agonizingly close" race "Phelps realized he had misjudged the finish."
Most swimmers would have impulsively chosen to glide, but Phelps proved by the slimmest of margins what sets him apart. Following his instincts, he took an alligator-arm stroke and touched the wall. Cavic, a California-born Serb, hit the timing pad in full glide.
[Via]