IRONMAN 70.3 Curitiba takes place on Sun, Mar 21, 2027 in Curitiba, Brazil. The main route is 113.1 km.
- Date
- Sun, Mar 21, 2027
- Start
- Curitiba 🇧🇷
- Distance
- 113.1 km
- Climbing
- 1,119 m
- Level
- Open to all
IRONMAN 70.3 Curitiba triathlon features a 1.9km swim in the Passaúna Reservoir, a 90.1km bike course, and a 21.1km run course staged in the heart of the city at Parque Barigui.
Official event pageWhat this race demands
IRONMAN 70.3 Curitiba demands sustained output across a 113.1 km triathlon format featuring 1119 m of total elevation gain.
Aero Position Endurance
The 90.1 km bike leg requires maintaining a sustained aerodynamic position and steady power output over rolling terrain.
Run Off the Bike
The final 21.1 km run demands immediate adaptation to weight-bearing locomotion after a taxing swim and bike combination.
Target 60 to 90 grams of carbohydrates per hour throughout the bike and run segments to sustain energy over the expected duration.
Estimated finish times
Estimates by level, not promises. Your own number depends on your fitness on the day.
Your road to race day
Race day at IRONMAN 70.3 Curitiba is 30 weeks away. This is how a coach divides that time. The first phase starts now.
01Base18 weeks · Aug 24, 2026 – Dec 27, 2026
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Dec 28, 2026 – Feb 7, 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 · Feb 8, 2027 – Feb 28, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · Mar 1, 2027 – Mar 14, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Mar 15, 2027 – Mar 21, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
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