Your 36‑week Triathlon Training Plan is engineered for the Calle‑Calle River swim, Valdivia’s rolling ride, and the flat riverside run you’ll face on race day.

Why this plan fits Valdivia

✅ Cold‑water ready – Pool drills progress to open‑water sessions at 14 °C, so your wetsuit splash feels normal.
✅ Straight‑line navigation – Sight sets teach you to hold a flawless river line, shaving time.
✅ Punchy hill power – Targeted bike intervals and short climbs prep you for Cabo Blanco’s pitches without burning quads.
✅ Sustained aero speed – Progressive long rides at race HR build endurance for Valdivia’s fast flats.
✅ Bike‑run fluency – Regular bricks engrain the gear switch you’ll need when you hit Saval Park and the bridges.
✅ Flat‑course pacing – Tempo repeats and negative‑split runs train you to flow 21.1 km at 22 °C without fade.
✅ Injury‑proof strength – Follow‑along videos fortify joints and core during peak 12‑hour weeks.

Phase‑by‑phase build

Foundation (Weeks 1‑12): Technique swim drills, aerobic ride/run blocks, and mobility set the base.

Half Distance Triathlon Focus (Weeks 13‑36): Volume rises 7 h → 12 h with threshold sets, race‑pace bricks, and open‑water sims, all steered by RPE or HR.

The payoff

Cross Valdivia’s Half Distance Triathlon finish fresh, fast, and proud—because every meter, watt, and cadence cue in this Triathlon Training Plan mirrors the course you’ll meet.

🎯 Ready to swap wishful thinking for a winning strategy? Click to secure your Half Distance Triathlon Training Plan and get unlimited personalized email coach support. Let’s make Valdivia your best Half Distance Triathlon yet!

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