by Brett Larner In a period that sees many of Japan's long-standing small elite races folding or changing to mass-participation formats the Okukuma Road Race, launched in 2013 in one of the most conservative areas of southern Japan, is something of a throwback, a small race of around 100 men with an accompanying high school boys' 10 km and women restricted to 5 km because, well, that's how they roll in Kumamoto. In its third edition, Kyushu-based Kenyan John Kariuki (Daiichi Kogyo Univ.) led the top four at the Okukuma Half Marathon under last year's course record for the win in a new record of 1:03:16. Essentially unchallenged, Kariuki had a lead of around 10 seconds at 10 km and held that margin to win by 13 seconds over London Olympics marathoner Ryo Yamamoto (SGH Group) with Shun Inoura , an alternate for Komazawa University 's Hakone Ekiden runner-up team, another 3 seconds back in 1:03:32. Still recovering from a sprained ankle a few weeks back, A...
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