small but positive steps - 30r20 70% HRR 8k+

First time post op I've managed over 8k on the 30r20 70% HRR and it was well within the HR guides I think I topped out at 147 but due to the Garmin 910 not wanting to start this morning I don't have that data FFS - in fact because it wouldn't start I was delayed by about 6 minutes and nearly binned the session - rather glad I didn't now