After a less than successful run on Monday I decided to repeat the W2 run today. Looking at the schedules, they seem to break the 10% rule anyway which is probably why my legs are getting so tired, so I'm going to listen to them and take things easier if necessary. That's my excuse, and it's good enough for me.
Happily no stitch today. I thought the pace was slower, but when I mapped it, it was roughly the same speed as last Wednesday.
Am away on Friday but will take running kit with me and hope to get out at some point