This Six-Month Advanced Half Distance Triathlon Training Plan is built for dedicated athletes who already have a solid endurance base and are ready to commit to peak performance. Beginning at 9.5 hours in week one and gradually building to 14 hours, this progressive program is designed to prepare you mentally and physically for race day. Here’s how this plan aligns with the demands of the Swansea course: ✅ Endurance Aerobic Mile Training Build the sustained aerobic engine needed for the ...