Yuki Kawauchi, the surprise winner of this week's Boston Marathon, said Thursday he plans to quit his full-time job and go pro next spring.Upon his return to Japan from the United States, Kawauchi said one year from now he will become a full-time marathon runner instead of working for the Saitama Prefectural Government, his current employer, which bars him from accepting sponsorships or appearance fees."The No. 1 reason is that I want to compete at the global level," Kawauchi told reporters at Narita airport."I haven't improved my personal best time in five years. I need to change my enviro…READ FULL ARTICLE
