What a tough day! I am so impressed by your mental fortitude, and even though your time wasn't what it could have been, you won a huge mental (&physical) battle. Your pic is beautiful, you'd never know you felt sick by looking at that!
That's sounds awful; you are one tough cookie though! So what do you think happened? Stomach virus or something you ate? Your next race should be a breeze after this experience.
I have NO idea what happened, I got sick again yesterday evening at the grocery store...and no, not preggo (on my period...tmi, sorry!) I am just glad I was able to finish! I hope my next half kicks some serious PR ass!