Thanks Lauren and workinprogress! By the way, workinprogress, I don't know to what degree my 2-in, 3-out breathing helped get rid of my stitch, if at all, but it did go away after awhile of breathing like that, so might be worth a try.
Thanks for the tip. I'll certainly give it a try!
Wow, that's fantastic, congratulations! I thought about running that , have a few friends who run it every year.