RunnerSpace Live brings you the rundown on what happened this week in the world of running.-"The Race Walking Dead" Trailer-USATF.tv (Live webcast of .US 12K National Championships)HIGH SCHOOL-Nike Cross Nationals Heartland Regional-Washington State XC Championships-New York State XC Championships-Missouri State XC Championships-New England XC Championships-Illinois State XC Championships-Top individual performances from:By: Matt Barnhart and Ian Terpin