Early early start - scar healing well

So got up very very early today in order to walk the dogs - grab quick breakfast - and drive to work to do a 30 minute row - aimed at r22 and at the start wasn't sure how to pace it - started hard and got sub 1:50 split and then as the HR creeped up I decided on targeting 80% HRR (160) have to say it was bloody tough in comparison to my best and the pace - but got through it and that's all that's needed sometimes. HR dipped in the middle and I thought my v8 had come back on line - alas I think it was a low battery ... on the strap not mine.