The BadwaterUltra.com site has a fantastic collection of stories from the Badwater Ultramarathon. 135 miles, 13,000 feet in elevation gain, billed as the most demanding and extreme running race offered anywhere on the planet.
...At Stovepipe, we spent 90-minutes to shower, repair blisters, and drink chicken broth. Mike, in his first ever attempt at blister treatment/taping, did a mean job! It was well worth the time spent, as we did not need to tend to blisters again during the remaining 93-miles! Marching up the lower half of Townes Pass was a grind. The air was hot and the sets of red eyes ahead of me seemed to be ascending straight up, as though on an escalator. Around 1:20 AM, I felt groggy and was allowed a 15-minute nap in the front seat of the van...
There are many race reports on the Badwater Ultra at: