Welcome to your 12 week IRONMAN® Texas training plan! This is a 12 week periodized training plan to get you in good shape for IRONMAN® Texas. This plan is for athletes with two years or more experience of triathlon racing – or at least be an experienced and capable swimmer, cyclist and runner able to comfortably complete a 2km swim, 40km cycle and a 12-14km run as you start this plan. - Heart Rate & Power Targets for Garmin & Zwift etc - Strength sessions to help avoid injury - Training & ...