Running is a single-leg dynamic exercise, and strengthening your hips and legs before going out to run can keep you from injury and having setbacks!
Check out this 24 minute strengthening workout that is safe for those with pelvic floor dysfunction and diastasis recti.
Here is the exercise list if you want to do it without the video later: Alternating knee-in stretch
Bridge pose - 3-5 breaths
Bridge lifts - 12 lifts
Deep internal hip rotations - 10 each side
Modified side leg lifts - 20 each side
Child's pose - 3-5 lifts
Shallow knee lift - hold 5 breaths, 2x
Single leg squats - 10 each leg
Incline hip lifts - 20
Figure 4 stretch
Inner thigh stretch
Hip flexor / quad stretch
Enjoy your run!