What does dehydration look like?

Well I think my nike+ graph will adequately give you a picture.

I only had 1 bottle of water because I had to cover someone elses class during my prep which is when I normally get all of my water in so that I don't have to go to the bathroom during the day. Well I didn't get my water in. I didn't really think anything of it...until I started running. About 3 miles into the run...I cramped up. I tried to run through it but I couldn't I stopped and walked and then ran...cramped up again...walked...ran...walk...ran...walk...called DH to ask him to bring me some water. By the time he got there I was almost ready to pass out. Oh...I didn't mention that it was 90 degrees outside today...probably about 80 when I started running. So basically I only got 8 miles done...4 miles running and 4 miles pretty slow walking. My legs, stomach, back and even feet were cramping up from the dehydration. The heat got to me. I didn't hardly sweat at all...NOT a good sign. So instead of beating myself up I am just moving my LONG run/walk days to Sunday so that I can do them in the morning when it is cool outside. So no 12 miles today...but on Sunday. 8 miles is still nothing to sniff at...that is a long ways. According to my new nike+ I had an average pace of 4.3 miles per hour and burned 930 calories...not too shabby for being crippled the last 2 miles!