WARM UP: -9 minutes gradually progressing from Active Recovery zone to Endurance zone. -2 minutes easy ------ MAIN SET 1: -2x (5 minutes @60-80% FTP (Z2/3) + 30 seconds BURST @130% FTP (Z6). -3 minutes easy between sets. ------ COOL DOWN: -2 minutes gradually reducing from Endurance zone to Active Recovery zone