RunnerSpace Live brings you the rundown on what happened this week in the world of runningComing This Weekend:Arcadia Invitational LIVEHIGH SCHOOL-Florida Relays-Mobile Challenge of Champions-Youth Olympic Trials-Stanford Invitational-Colonial Relays-Top individual performances from: Candace HIll, Nicolas Morken, Brandon Bray, Grant Fisher, Noah Lyles, Anna Maxwell, Derek Holdsworth, Trevor LeavittCOLLEGE PRO-Florida Relays-Stanford Invitational-Oregon vs Arizona-Kara Goucher is injured ROAD RACING-Credit Union Cherry Blossom 10-Miler / USA 10-Mile Championships-Sactown 10-Miler-Schneider Electric Marathon de Paris-Prague Half Marahton