Sunday, March 29, 2026 · San Juan, Argentina
25 days until race day
IRONMAN 70.3 San Juan takes place in San Juan, Argentina as an IRONMAN 70.3 race. The course features a calm reservoir swim, a challenging hilly bike course, and a flat run course.
Reservoir
1.9 km / 1.2 mi
Hilly
90 km / 56 mi
Flat
21.1 km / 13.1 mi
Train in reservoirs or similar flat, calm bodies of water and practice relaxed, efficient open-water swimming.
Include hill repeats and long climbs in your training to build the climbing strength needed for this course.
Practice running at a consistent pace on flat terrain — tempo runs and negative splits will pay off on race day.
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 reservoir 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 San Juan requires a structured plan that addresses the specific course demands: a reservoir 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.
IRONMAN 70.3 San Juan takes place in San Juan, Argentina as an IRONMAN 70.3 race. The course features a calm reservoir swim, a challenging hilly bike course, and a flat run course. The race takes place in San Juan, Argentina 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.
