Two visits to the physio this week, and I've now discovered/been told that my issue is most likely not a bursitis at all, but some tendon damage. So...a couple more exercises and stretches to do, and ultrasound once a week for a while. Had my first dose of that yesterday. Gonna try to gradually increase me ol' mileage a bit now. Hills are out though, and the physio suggested I stick to running on grass too. Awkward. But it's much lighter in the evenings now! It's good being able to still see the ground at six o'clock.