Sunday, November 29, 2026 · Cartagena, Colombia
270 days until race day
IRONMAN 70.3 Cartagena is an IRONMAN 70.3 race held in Cartagena, Colombia. Athletes face a bay swim with minimal chop, followed by a flat bike course suited for time-trialing and a flat run leg built for consistent pacing.
Bay
1.9 km / 1.2 mi
Flat
90 km / 56 mi
Flat
21.1 km / 13.1 mi
Focus on smooth, efficient swimming in calm water, and practice sighting to maintain a direct line.
Dial in your aero position and practice holding steady power output, since this flat course rewards consistent effort.
Focus on negative-split long runs on flat courses to build the discipline needed for steady pacing off the bike.
Practice race-day nutrition during training — dial in your fueling plan for the bike and run to avoid bonking.
Transition's AI coach builds a training plan specifically adapted for this course. Your plan accounts for the bay swim conditions, the flat 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 Cartagena requires a structured plan that addresses the specific course demands: a bay swim, flat 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 Cartagena is an IRONMAN 70.3 race held in Cartagena, Colombia. Athletes face a bay swim with minimal chop, followed by a flat bike course suited for time-trialing and a flat run leg built for consistent pacing. The race takes place in Cartagena, Colombia 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.
