Alongside the weekend's 2 big 30 km races and college ekiden action, 4 of Japan's big mass-participation races with quality sub-elite fields happened across the country. The Kitakyushu Marathon just north of Fukuoka saw the fastest men's race up front, with Toyo University 's Mashu Nishimura scoring the win in his debut in 2:16:14, outrunning Rio Olympian Hisanori Kitajima by 2 minutes. The Daihatsu corporate team's Yuki Shibata had a decent debut to win the women's race in 2:40:36. The only one of the 4 marathons to be on the World Athletics calendar and visible to the rest of the world, the Kumamoto Castle men's race was almost as fast as in Kitakyushu, with amateur Hiroaki Furukawa taking a 5th win in 2:16:56 and 3 others under 2:20 like in Kitakyushu. Another amateur, women's winner Michiru Kato took her 5th win too, running a CR and PB 2:42:00. Celebrating the 40th anniversary of Super Mario Bros. , the Kyoto Marathon had the fastest Japan...
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