I thought you may enjoy watching 15 minutes of this year's Ironman France. Having raced it in 2006, it is has been my favourite race to-date.
http://www.youtube.com/watch?v=MODfGL9omQQ
http://www.youtube.com/watch?v=cfAQFX8Uw3M
http://www.youtube.com/watch?v=MODfGL9omQQ
http://www.youtube.com/watch?v=cfAQFX8Uw3M