Dig Deep Coaching 3x8min Threshold Over/Under's Warm up 10mins into zone 2 Session: 8mins as 2mins @ 90% of FTP - 1min 105% of FTP - 1mins 60% (recovery) of FTP X 2 8mins @ 65% FTP 8mins as 2mins @ 90% of FTP - 1min 105% of FTP - 1mins 60% (recovery) of FTP X 2 8mins @ 65% FTP 8mins as 2mins @ 90% of FTP - 1min 105% of FTP - 1mins 60% (recovery) of FTP X 2 5min Cool down bike