Sunday, March 8, 2026 · Curitiba, PR, Brazil
4 days until race day
Held in Curitiba, PR, Brazil, IRONMAN 70.3 Curitiba is an IRONMAN 70.3 event. Athletes face a freshwater lake swim, followed by a challenging hilly bike course and a flat and fast run course.
Lake
1.9 km / 1.2 mi
Hilly
90 km / 56 mi
Flat
21.1 km / 13.1 mi
Focus on drafting and pack swimming in open water, since lake starts tend to be calm but crowded.
Include hill repeats and long climbs in your training to build the climbing strength needed for this course.
Train for even pacing on flat ground with race-pace tempo runs and practice holding form when fatigued.
Test your fueling strategy during long brick sessions to find the right mix of calories and hydration for 70.3 miles.
Transition's AI coach builds a training plan specifically adapted for this course. Your plan accounts for the lake swim conditions, the hilly bike terrain, and the flat run profile — so you show up on race day fully prepared.
Your plan adjusts weekly based on your progress, recovery, and schedule changes.
Workouts target the exact demands of this course's swim, bike, and run profiles.
Nutrition rehearsal, taper optimization, and pacing strategy built into your plan.
“Transition has helped me improve my Ironman training more than any other method I've encountered in my triathlon journey. It's incredibly precise and personalized.”
Carlos Rebelo — Triathlete
Our AI-powered ironman 70.3 plan adapts to your fitness, schedule, and this specific course. Start training smarter today.
View IRONMAN 70.3 PlanTraining for IRONMAN 70.3 Curitiba requires a structured plan that addresses the specific course demands: a lake swim, hilly bike, and flat run. Transition's AI coach builds a personalized plan that adapts to your fitness level and progressively prepares you for these exact conditions.
Held in Curitiba, PR, Brazil, IRONMAN 70.3 Curitiba is an IRONMAN 70.3 event. Athletes face a freshwater lake swim, followed by a challenging hilly bike course and a flat and fast run course. The race takes place in Curitiba, PR, Brazil and attracts athletes from around the world.
Most athletes need 16-20 weeks of dedicated training for a IRONMAN 70.3. This allows sufficient time for base building, race-specific preparation, and a proper taper. Transition's AI coach can create a plan that fits your timeline and current fitness.
