At the race the other night I had a very unique experience. There was a lady who seemed to be competing specifically with me. As I would get close to her she would run ahead a ways and then walk until I got close again. She kept losing a little advantage on her position each time I got close. I chose to just keep my pace as it was working for me.  I kept reminding myself that in racing I am only competing with myself so I kept it all under lock. I thought she was a little younger than me anyway so I chose to not compete but just keep running instead. Finally, I passed her for the last time and didn't really think about where she was as I got sick to my stomach because of the heat. I figured I wasn't dizzy, so I wasn't close to passing out - so I kept going. I thought that it would simply be a new experience if I threw up.. but I figured I would throw up and then finish the race!  When I got through the lady came over to where we were standing and congratulated me on a ...