Matthew J. CarufelThe 40-Week Ironman: A Step-by-Step Beginner's Guide to Conquering the Ultimate Triathlon Challenge (Swim Bike Run 101 | Triathlon Training Field Guides)

The 40-Week Ironman: A Step-by-Step Beginner's Guide to Conquering the Ultimate Triathlon Challenge (Swim Bike Run 101 | Triathlon Training Field Guides)

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)