If you're targeting the iconic Full Distance Triathlon in Cascais, Portugal, this plan is built specifically to prepare you for every challenge the course throws at you—from the chilly Atlantic swim to the technical bike and the coastal marathon run. 🌊 Swim (3.8km) – Calm but Cold With structured open-water simulation sets and weekly drills, this plan gets you race-ready for the single-loop swim in Cascais Bay, where water temps hover around 17–19°C (62.6–66.2°F). You'll build comfort and ...