The Triathlete's Training Bible
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Training Plans for Multisport Athletes: Your Essential Guide to Triathlon, Duathlon, Xterra, Ironman & Endurance Racing
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Going Long: Training for Triathlon's Ultimate Challenge, 2nd Edition (Ultrafit Multisport Training Series)
The 20-Week Half Ironman: A Step-by-Step Beginner's Guide to Conquering the Half Ironman Race (Swim Bike Run 101 | Triathlon Training Field Guides)