Sunday, August 16, 2026 · Redding, CA, United States
165 days until race day
IRONMAN 70.3 Northern California is an IRONMAN 70.3 race held in Redding, CA, United States. The race includes a lake swim in calm freshwater conditions, a rolling bike course through varied terrain, and finishes with a flat run course.
Lake
1.9 km / 1.2 mi
Rolling
90 km / 56 mi
Flat
21.1 km / 13.1 mi
Focus on drafting and pack swimming in open water, since lake starts tend to be calm but crowded.
Practice power management on rolling courses — surge over short rises, then recover on the descents without losing momentum.
Practice running at a consistent pace on flat terrain — tempo runs and negative splits will pay off on race day.
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 lake swim conditions, the rolling 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 Northern California requires a structured plan that addresses the specific course demands: a lake swim, rolling 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 Northern California is an IRONMAN 70.3 race held in Redding, CA, United States. The race includes a lake swim in calm freshwater conditions, a rolling bike course through varied terrain, and finishes with a flat run course. The race takes place in Redding, CA, 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.
