IRONMAN Belgium Knokke-Heist takes place on Sun, Sep 5, 2027 in Knokke-Heist, Belgium. The main route is 226 km.
- Date
- Sun, Sep 5, 2027
- Start
- Knokke-Heist 🇧🇪
- Distance
- 226 km
- Level
- Open to all
Your 45-week plan to IRONMAN Belgium Knokke-Heist
The Base phase starts this week. Built around your fitness and adjusted every day as your form changes; attach the course and it prepares for the climbs too.
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The first full-distance IRONMAN in Belgium, replacing the IRONMAN 70.3 and 5150 Knokke-Heist. A 3.8 km swim starting across the border in Sluis (NL), a 180 km bike and a 42.2 km marathon finishing in Knokke-Heist.
Your road to race day
Race day at IRONMAN Belgium Knokke-Heist is 45 weeks away. This is how a coach divides that time. The first phase starts now.
01Base33 weeks · Oct 26, 2026 – Jun 13, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Jun 14, 2027 – Jul 25, 2027
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
03Peak3 weeks · Jul 26, 2027 – Aug 15, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · Aug 16, 2027 – Aug 29, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Aug 30, 2027 – Sep 5, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is IRONMAN Belgium Knokke-Heist?
IRONMAN Belgium Knokke-Heist takes place on Sun, Sep 5, 2027 in Knokke-Heist, Belgium.
How long is IRONMAN Belgium Knokke-Heist?
The main route is 226 km.
Who is IRONMAN Belgium Knokke-Heist for?
IRONMAN Belgium Knokke-Heist is open to all participants.
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