Four hours after a collective sigh of relief 17,000-strong as Yuki Koike‘s successful handoff to Yoshihide Kiryu brought the Golden Grand Prix Osaka meet to a close with a world-leading 38.00 win for the Japanese men’s 4×100 m relay team, the acton continued at Osaka’s Nagai Stadium with the women’s and men’s 10000 m National Championships. Held six weeks out from the rest of the National Championships this year to try to maximize performances and world rankings points in both…