[COURSE HEADER] VERSION = 2 UNITS = ENGLISH DESCRIPTION = Four-minute efforts well above threshold: short enough to finish, long enough to push your aerobic ceiling. FILE NAME = vo2max-5x4.mrc MINUTES PERCENT [END COURSE HEADER] [COURSE DATA] 0.00 45 12.00 70 12.00 110 13.00 110 13.00 50 15.00 50 15.00 110 16.00 110 16.00 50 18.00 50 18.00 115 22.00 115 22.00 50 26.00 50 26.00 115 30.00 115 30.00 50 34.00 50 34.00 115 38.00 115 38.00 50 42.00 50 42.00 115 46.00 115 46.00 50 50.00 50 50.00 115 54.00 115 54.00 50 58.00 50 58.00 55 68.00 40 [END COURSE DATA]