IRONMAN Wales takes place on Sun, Sep 19, 2027 in Tenby, United Kingdom. The main route is 226 km.
- Date
- Sun, Sep 19, 2027
- Start
- Tenby 🇬🇧
- Distance
- 226 km
- Level
- Open to all
Your 47-week plan to IRONMAN Wales
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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Full-distance IRONMAN from Tenby: a sea swim off North Beach, a hilly 180 km bike course through the Pembrokeshire coast and countryside, and a marathon finishing in Tenby.
Your road to race day
Race day at IRONMAN Wales is 47 weeks away. This is how a coach divides that time. The first phase starts now.
01Base35 weeks · Oct 26, 2026 – Jun 27, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Jun 28, 2027 – Aug 8, 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 · Aug 9, 2027 – Aug 29, 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 30, 2027 – Sep 12, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Sep 13, 2027 – Sep 19, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is IRONMAN Wales?
IRONMAN Wales takes place on Sun, Sep 19, 2027 in Tenby, United Kingdom.
How long is IRONMAN Wales?
The main route is 226 km.
Who is IRONMAN Wales for?
IRONMAN Wales is open to all participants.
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