steady run 1:02:00 [3]
Deeside Way to east, river bank to west, Warren Cottage, up to WHW road and back on Deeside Way from west. Never too fast but breathing definitely the limiting factor - maybe go get a spirometer test at GP.
Heron on river that just watched as I ran past - didn't fly off like normal - must have been moving very smoothly and unthreateningly :-)