"Your First Triathlon" Is the best-selling book for beginner triathletes because it makes preparing for sprint triathlons fun and easy. This clear and comprehensive book prepares aspiring triathletes for the challenge of..."Your First Triathlon" Is the best-selling book for beginner triathletes because it makes preparing for sprint triathlons fun and easy. This clear and comprehensive book prepares aspiring triathletes for the challenge of their first tri through a simple, 12-week training plan that requires fewer than 4 hours a week.