
IRONMAN 70.3 Les Sables d'OlonneTraining Plan & Race Guide 2026
Training Phase Timeline
16 weeksAerobic Base
Wk 1–4 · 4 wk
Strength & Rolling Power
Wk 5–8 · 4 wk
Race-Specific Build
Wk 9–12 · 4 wk
Peak & Taper
Wk 13–16 · 4 wk
Plan Overview
This 16-week plan systematically builds your endurance from a modest base to meet the unique demands of Les Sables. By combining early aerobic volume with wind-resistance bike work and heat-adapted run prep, you will arrive at the start line ready to tackle the canal and conquer the windy coast.
Aerobic Base
Wk 1–44 weeksEstablish aerobic capacity and comfortable swim endurance.
Strength & Rolling Power
Wk 5–84 weeksDevelop bike power for rolling hills and resistance against coastal winds.
Race-Specific Build
Wk 9–124 weeksBuild run durability and practice race-pace bricks in exposed conditions.
Peak & Taper
Wk 13–164 weeksFine-tune pacing, taper volume, and lock in your nutrition strategy.
Your Personalized Training Plan
Your Personal Path to IRONMAN 70.3 Les Sables d'Olonne
While this guide provides a foundation, every athlete is unique. FE26 creates a personalized plan by analyzing:
- Your Data: Seamless Strava integration to benchmark your current fitness.
- Your Life: Training blocks that adapt to your real-world schedule.
- The Course: Workouts specifically engineered for these unique race demands.
- Your Recovery: Weekly adaptive periodization that adjusts targets based on your actual performance.
Stop guessing your intervals. Start training with a system that evolves with you.
Create Your IRONMAN 70.3 Les Sables d'Olonne Training PlanTraining Resources
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