RunnerSpace Live brings you the rundown on what happened this week in the world of running.Coverage this weekend:USATF Junior Olympics Cross Country LIVE on USATF.tvUSATF Club Cross Country On Demand on USATF.tvJim Mitchell Invitational on ArmoryTrack.comHIGH SCHOOL-Nike Cross Nationals-Foot Locker West RegionalCOLLEGE PRO-Boston University Indoor Opener-Grand Valley State Holiday Open-XTERRA Trail World Half Marathon Championships-North Face Challenge 50-MilerROAD RACING-Fukuoka Marathon-California International Marathon