JUNE 14, 2011, 7:47 PM JST Yuki Kawauchi, Citizen Marathon Runner When Yuki Kawauchi broke the tape as third overall and the first Japanese f inisher at the Tokyo Marathon in February, the 24-year-old stood out from the crowd. Associated Press Yuki Kawauchi of Japan crosses the finish line to finish third in the men’s division at the Tokyo Marathon on Feb. 27, 2011. Not for his lean 5’7, 130 lb distance runner physique, not because he collapsed and was taken to the medical tent, and not even because his stellar time of 2:08:37 won him a chance to run on the Japanese men’s marathon team at the IAAF World Track and Field Championships’ Marathon in Daegu, Korea, later this year. Mr. Kawauchi stood out because unlike most elite-level runners in Japan, who’re backed by a corporation, he’s an amateur in the full sense of the word. Dubbed the “Citizen Runner” in the next day’s local headlines, he works a regular job a full five days a week and pays his own expenses. The key to his success? Wo...