Triathlon Training and testing This is a descussion of lactate testing in triathlon. The author is Jan Olbrecht, who is the trainer of top athlete Luc Van
Lierde (yes, both are from Belgium).
Queenstown Eco Pursuits Not quite a training site, but this is a place in New Zealand where you can go for a (guided) training camp.
FutureDreams Swimming "The Premier Swim Program for Triathletes"
according to the author, Haydn Woolley, the guy with the fastest ironman swim time. Nice site with a couple of interesting swim technique articles.
Total Immersion I have the book, and that is
absolutely great and I recommend it to everybody, and much of the info can also be found on the site.