by Brett Larner It’s still early in the year, but the Japanese men’s major domestic spring marathon season is already reaching its peak with Sunday’s Lake Biwa Mainichi Marathon . Lake Biwa was Japan’s first IAAF gold label marathon and is one of its oldest continuous races, but with last weekend’s Tokyo Marathon having joined the Fukuoka International Marathon in 2:05 course record territory it is due for an improvement on Wilson Kipsang ’s 2:06:13 course record. To get there it has enlisted defending champion and Daegu World Championships silver medalist Vincent Kipruto (Kenya) and former junior world record holder Bazu Worku (Ethiopia), both with 2:05 bests. The pair’s duel, or teamwork, up front should be one of this year’s main story lines. Another is Yuki Kawauchi (Saitama Pref. Gov’t) and his quest for a 2:07. Kawauchi is the lone A-list Japanese man in the field this year, at Lake Biwa for the sole purpose of joining Japan’s sub-2:08 club. Since his world record-set...
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