Speed training for racewalking-US Sports Network Spotlight

Speed training for racewalking-US Sports Network Spotlight: ????(Racewalking)?????????????
???:Pace2000Mx2Set
???:LSD-5000M
???:Uphill&Downhill(3x15 min@80%,rest 5 min)
???:Interval Training(500m,400m,300m,200m)@85%-, date uploaded: 12/1/2016 3:45:49 AM, VID: 0