Sunday, June 7, 2026 · Bolton, United Kingdom
95 days until race day
IRONMAN 70.3 Bolton takes place in Bolton, United Kingdom as an IRONMAN 70.3 race. The course features a freshwater lake swim, a rolling bike course through varied terrain, and a moderately undulating run course.
Lake
1.9 km / 1.2 mi
Rolling
90 km / 56 mi
Rolling
21.1 km / 13.1 mi
Train in open water to get comfortable with freshwater lake conditions and mass starts.
Practice power management on rolling courses — surge over short rises, then recover on the descents without losing momentum.
Build run durability on varied terrain with rolling long runs that teach you to manage effort over undulating ground.
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 lake 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 Bolton requires a structured plan that addresses the specific course demands: a lake 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 Bolton takes place in Bolton, United Kingdom as an IRONMAN 70.3 race. The course features a freshwater lake swim, a rolling bike course through varied terrain, and a moderately undulating run course. The race takes place in Bolton, United Kingdom 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.