Train Smart for the Half Distance Triathlon Phu Quoc Vietnam — Designed for Senior Triathletes 60+ The Half Distance Triathlon Phu Quoc Vietnam features a 1.9 km swim from Three Coconut Tree Beach, a flat 90 km bike course highlighting coastal views, and a two-lap 21.1 km run along shaded roads and the island’s stunning seaside. To meet these challenges confidently, senior triathletes need a training plan tailored to their unique needs. This 24-week Half Distance Triathlon Training Plan is ...