Our Intermediate 36-Week Half Distance Triathlon Training Plan is built to prepare you for every detail of this unique European race experience. The swim course in the tidal-free Damsche Vaart offers calm, predictable waters — ideal for executing the open water skills you’ll build in our structured swim sessions. You’ll work on form, strength, and tempo sets to ensure you're race-ready in 64°F (18°C) conditions. The one-lap 90 km bike course is flat, fast, and scenic — but requires sustained ...