Mark Sisson's "Training and
Racing Duathlons" ebook. For triathletes, duathletes,
runners, cyclists and anyone else serious about fitness.
Author Mark Sisson has not only competed at the elite
level in distance running and triathlon, he has also
coached some of the world's top endurance athletes. This
industry standard book (75 pages) "Training and
Racing Duathlons" helps
you understand the basic concepts of how and why your
body responds to training, so you can create the ideal
training plan to achieve your fitness goals.