Here is some information re; scar tissue that I found really informative:
My blockages (partials) have been caused by food. Or a kink in the intestine. They are painful esp when they work their way to the area right behind the stoma.
Hope you feel better soon. Maybe you should just be walking for a while and see if the running might be doing something to cause this pain for you.
Diagnosed with CD in 1979, many resections and meds
Perm Ileostomy July 1984 at Cleveland Clinic
Disease free since surgery