On easy days, the goals is just time spent with an elevated heart rate and muscular endurance. Pace is less important than time spent running. You should slow down to keep your RPE 3-5.
Work hard Tuesday/Thursday/Saturday, go easy the other days.
I am much more interested in your pace and distance on Tuesdays and Thursdays. Pace is important for tempo runs and intervals and speedwork.
Today you were on the faster side of the pace scale for this run (8:57-9:55 pace), but the hills makes it harder.
Let’s see how you feel on Tuesday.
Did you eat a banana right before you left? I have been wanting you to eat some carbs right before. That will really help you out.
You should make a wrist BG test holder. This will help you a lot. Get skilled with it and you can test without stopping.
how-to-make-an-exercise-bg-meter-holder
This is something to have looked at professionally. I can only offer suggestions on core exercise and stretches, but you really should go to a physical therapist and have it evaluated in person. Go to somebody that specializes in running and see what they tell you. I would make this a priority.