Do you think it's UC related? If not, it could be a side stitch. It's caused by breathing to shallow while running. Try taking deeper breaths while running and breathing more from the belly. It should take care of a side stitch.
Pancolitis Diagnosed 3/2011
SCD as of 6/13/12
Post Edited (Indycat23) : 6/20/2012 7:50:20 PM (GMT-6)