Sunday, May 17, 2026 · Chattanooga, TN, United States
74 days until race day
Held in Chattanooga, TN, United States, IRONMAN 70.3 Chattanooga is an IRONMAN 70.3 event. The race includes a downstream river swim, a rolling bike course with moderate elevation changes, and finishes with a moderately undulating run course.
River
1.9 km / 1.2 mi
Rolling
90 km / 56 mi
Rolling
21.1 km / 13.1 mi
Work on sighting and maintaining a straight line, as river currents can push you off course.
Train on rolling terrain to build the ability to manage power on short climbs while maintaining speed on descents.
Build run durability on varied terrain with rolling long runs that teach you to manage effort over undulating ground.
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 river 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 Chattanooga requires a structured plan that addresses the specific course demands: a river 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.
Held in Chattanooga, TN, United States, IRONMAN 70.3 Chattanooga is an IRONMAN 70.3 event. The race includes a downstream river swim, a rolling bike course with moderate elevation changes, and finishes with a moderately undulating run course. The race takes place in Chattanooga, TN, United States 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.
