Notes
At the Alpharetta Big Creek greenway, wanting to do 2wu+10MP, but ended up doing 2wu+6MP+4cd, Legs were a bit sore and I just didn't have enough get up and go. Guess I'll have to forget this sub 4:10 for the Shamrock. :-(
Link to Polar Flow: https://flow.polar.com/training/analysis/64155067