this morning they are so painful again. Just getting out of bed to walk was an ordeal. I haven't run since SATURDAY-except the little bit in that class (maybe total of a mile or something) so I'm going to go jog this morning to see how it goes.
This is a key symptom of plantar fasciitis. You definitely want to ice with the baked beans. You also might consider a night splint to stretch the plantar fascia while you're sleeping. The Strassburg Sock is an expensive product that will do the job.
Is the run this weekend your last for the season or are you continuing beyond that?
EDIT: "IF" it is PF and you do run today, you won't necessarily feel the effects of it for a couple of days. I would definitely ice right after you run.