The first long swim in these 12 week blocks has been tough before and it was tough again today. It did include two PBs, as the warm up was my fastest ever at 5:11min/200m with no pull buoy and the total distance was 3533m which took nearly 90 minutes. I know that over the next weeks the difficulty will be less apparent and the time will drop by a few minutes.
I tried to start very gently and make more effort at the end but a drop in pace through the session is quite clear. At least the pool was nearly empty so I could potter away at my own pace and not get in anyone's way, no often catch someone up.