Saturday, May 16, 2026 · Jacksonville, FL, United States
73 days until race day
IRONMAN Jacksonville takes place in Jacksonville, FL, United States as an full-distance IRONMAN race. The course features a river swim with light current, a flat and fast bike course, and a moderately undulating run course.
River
3.8 km / 2.4 mi
Flat
180 km / 112 mi
Rolling
42.2 km / 26.2 mi
If possible, train in river or flowing-water conditions to adapt your stroke to current.
Focus on sustained power and aerodynamics for the flat bike course — time trial position and pacing are key.
Build run durability on varied terrain with rolling long runs that teach you to manage effort over undulating ground.
Practice your race-day fueling plan in training, including electrolytes and calories, to avoid GI issues over 140.6 miles.
Transition's AI coach builds a training plan specifically adapted for this course. Your plan accounts for the river swim conditions, the flat 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 plan adapts to your fitness, schedule, and this specific course. Start training smarter today.
View IRONMAN PlanTraining for IRONMAN Jacksonville requires a structured plan that addresses the specific course demands: a river swim, flat 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 Jacksonville takes place in Jacksonville, FL, United States as an full-distance IRONMAN race. The course features a river swim with light current, a flat and fast bike course, and a moderately undulating run course. The race takes place in Jacksonville, FL, United States and attracts athletes from around the world.
Most athletes need 24-30 weeks of dedicated training for a full IRONMAN. 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.
