To keep in balance you must keep moving

One hr. swim in the a.m. actually 1:08.  I did 3000 y.  it was painful and boring and I wanted to be in bed!!  I forced myslef to do these workouts today and I'm not so sure it was the right thing.

40 painful miles on the bike.  The plan was to do 3 hrs. but at 2:45 I was done!  Not sure what the prob. was today but I felt terrible from the very start.  My legs felt tired and I had a painful stomach ache, my motivation was down the drain too.  I had 2 water bottles but only drank 1/2 of one and only had 2 gu chews the whole ride which I'm sure was part of the problem.   I also ate a big sandwich right before the ride but I also thought would hold me over and I wouldn't need to eat so much on the ride.  I rode with a friend and our pace was slow, 13.8 miles per hr.  We did a ton of hills which I hope is the reason we were so slow plus my tired legs.  We went from SLC to LCC and back then up to the Zoo to sugarhouse park and back.  5-6 big hills, I went slow and felt o.k. just hit the wall at mile 40 and stopped.  Not sure what is going on.  I am suppose to run 10 tomorrow but just want to sleep in! I think I may be overtrained or something????