Your running stride depends on a neutral, stable pelvis.
The better mobility you have in the hips the more they allow your leg to fully extend behind you so that it can pull forward into the next stride.
Add 10-15 reps of these 2 exercises before your next run:
90-90 rainbow
Hip openers & closers
And to strength your hips try one of these 3 exercises:
Want more help?
Let's do a Personal Running Assessment here!
I'll be posting more ideas this week on my IG & FB accounts