Saturday, October 17, 2026 · Cascais, Portugal
227 days until race day
IRONMAN 70.3 Cascais Portugal is an IRONMAN 70.3 race held in Cascais, Portugal. The race includes a bay swim in calm, sheltered waters, a moderately rolling bike course, and finishes with a rolling run course with gentle hills.
Bay
1.9 km / 1.2 mi
Rolling
90 km / 56 mi
Rolling
21.1 km / 13.1 mi
Practice open-water swimming in sheltered venues to simulate the calm bay conditions on race day.
Build your ability to handle varied terrain by training on rolling hills and focusing on smooth power transitions between climbs and flats.
Include hilly runs in your training to prepare for the rolling terrain and practice adjusting effort on inclines.
Rehearse your transition routine and nutrition plan during training so race day execution is automatic.
Transition's AI coach builds a training plan specifically adapted for this course. Your plan accounts for the bay swim conditions, the rolling bike terrain, and the rolling 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 Cascais Portugal requires a structured plan that addresses the specific course demands: a bay swim, rolling bike, and rolling 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 Cascais Portugal is an IRONMAN 70.3 race held in Cascais, Portugal. The race includes a bay swim in calm, sheltered waters, a moderately rolling bike course, and finishes with a rolling run course with gentle hills. The race takes place in Cascais, Portugal 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.
