Mike

http://velonews.com/train/articles/8167.0.html

http://www.velonews.com/train/articles/8217.0.html

linto

Good articles for riders. As they said, increasing it is the tricky part. Not to 1-up you, but this link also provides good stuff for runners preparing for events.

http://www.teamoregon.com/publications/energy.html

Sometimes I get sick after doing interval runs...meaning my body can't take the rapid buildup of lactic acid.