10 min warm up 18 min (1min 55rpm,1min 85rpm,2min 55rpm,2min 85rpm,3min 55rpm,3min 85rpm,2min 55rpm,2min 85rpm,1min 55rpm,1min 85rpm) maintaining Zone 3 12 min rest 18 min (1min 55rpm,1min 85rpm,2min 55rpm,2min 85rpm,3min 55rpm,3min 85rpm,2min 55rpm,2min 85rpm,1min 55rpm,1min 85rpm) maintaining Zone 3 5 min easy 1 x 20 min Zone 3 with 20 sec Zone 6 surges every 3min 40 sec 5 min cool down