by Brett Larner Alongside Bedan Karoki 's Gifu Seiryu Half Marathon course record , Murayama twins Kenta and Kota 's Kanto Regional University Championships 10000 m double victory and Yoshihide Kiryu 's 10.05 national university record , four of the six regional corporate leagues held their track and field championships over the weekend. Moscow World Championships 10000 m bronze medalist Paul Tanui (Kenya/Team Kyudenko) fronted the corporate regionals' best race with a world-leading 27:16.75 to win the Kyushu region men's 10000 m over the Koichi Morishita -coached Kenyan Jeremiah Karemi (Team Toyota Kyushu), 2nd in 27:41.81, and Ethiopian Melaku Abera (Team Kurosaki Harima), 3rd in 27:42.35. Four of the eight Japanese men to have run sub-2:10 marathons so far this year were also in the race, Masato Imai (Team Toyota Kyushu), 2nd in 2:09:30 at February's Beppu-Oita Mainichi Marathon, topping the group 5th overall in 28:34.75. Kohei Matsu...