What is the lactate curve? Why do I need to know the lactate curve? How does it fit into my triathlon training? When should it fit in my triathlon training? How does it affect my triathlon racing? What does the lactate curve mean to endurance athletes?

Peter Jannsen answers many of these questions in his book, "Lactate Threshold Training." An excerpt follows that will likely wet your appetite to learn more about how it can help your racing.