decided that i would run at least 12 miles and if i felt good i would keep on going (maybe even run a full 19 miles). i set out at 5:45am after being awake for an hour. my bs was fine and i had no reason to think anything unusual had happened during the night. when i started running and my stomach started to cramp and hurt, i realized i was not going to run 19 miles, but knew that i had to run at least 12.
i was slow and not feeling the best but thought i would be fine. suddenly after 6 miles my heart rate shot up to 