Check it out:
http://www.angelfire.com/electronic/ultramentor/records.html
List of records for Double Ironman, Triple, 10x, 15x, 20x Ironman races.
Doing a double Ironman in 19:36 is impressive.
A triple in 32:55 is pretty badass as well.
Chet Blanton Race Bio/CV:
http://www.badwaterultra.com/2003web/entrants/blanton.html
Quote on his Double Deca Experience:
“48 mile swim, 2240 mile bike, 524 mile run in 28 days 6 hours”
We can learn a ton from these ultra distance guys on what works as far as fueling, comfort on the bike, etc. (Hint: Spiz and Taco Bell)
ISSAQUAH