IRONMAN Portugal-Cascais takes place on Sat, Oct 17, 2026 in Cascais, Portugal. The main route is 226 km.
- Date
- Sat, Oct 17, 2026
- Start
- Cascais 🇵🇹
- Distance
- 226 km
- Level
- Open to all
Full-distance IRONMAN triathlon in Cascais, Portugal: a 3.8 km swim, 180 km bike and 42.2 km run (226 km total).
What this race demands
IRONMAN Portugal-Cascais demands sustained endurance across three consecutive disciplines totaling 226 kilometers, requiring rigorous pacing and metabolic management.
Aerobic Capacity
The race requires covering 3.8 km of swimming, 180 km of cycling, and a 42.2 km marathon run, demanding high cardiovascular efficiency and muscular endurance over many hours.
Pacing Discipline
Spanning a full-distance triathlon format in October, athletes must carefully control their output on the bike leg to preserve sufficient running capacity for the final marathon.
Target 60 to 90 grams of carbohydrates per hour throughout the bike and run legs to sustain output over the extended duration of a full-distance triathlon.
Your road to race day
Race day at IRONMAN Portugal-Cascais is 6 weeks away. This is how a coach divides that time. The first phase starts now.
01Peak3 weeks · Sep 6, 2026 – Sep 26, 2026
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
02Taper2 weeks · Sep 27, 2026 – Oct 10, 2026
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
03Race week1 week · Oct 11, 2026 – Oct 17, 2026
Openers, rest and logistics. The work is done; the job now is arriving fresh.
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