Tough tough tough. 25 minutes in zones 1&2 then suddenly you’re up into zone 4 and having to keep going for 20 minutes. I am finding the heart rate zones hard to get right. If you can reach the top two zones without killing yourself, then you can’t keep your bpm down in the lower zones. I’m sure it will get easier as time goes on and my fitness improves. My overall pace is much lower than before I started the training.
Chilly and wet today. That makes it harder for me as the heat and the sun give me an energy boost, even though it’s tiring to run for too long when it’s hot.