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Half Ironman 70.3 Advanced Triathlete 18 Weeks


Carrie Smith, PT, DPT, USAT and IRONMAN Certified Coach

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18 Weeks

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Plan Description

This 18 week plan is designed for the advanced athlete who is training for a Half Ironman 70.3 distance race. It is recommended that you have previously completed an 70.3 distance triathlon or longer, have been training consistently for the last three months, and can complete the following distances:

Swim: 2000 yds (as a whole workout in shorter intervals)
Bike: 90 minutes
Run or Run Walk 60 minutes

This plan will include two benchmark tests in each sport to establish and update your training zones. You'll also receive a training zone calculator as well as step by step instructions on how to update your ranges in Training Peaks.

A typical week will include two swims (longest peaks at 3500 yds or m), three bikes (longest peaks at 4.5 hours), four runs (longest peaks at 2 hours), two strength training sessions, and three foam rolling and stretching sessions. There are also race specific brick sessions as you get closer to race day. The plan will start with a six week preparatory phase with a gradual increase in training. Then there will be a gradual build in duration and intensity for three weeks, and then every fourth week will be lighter to allow for recovery.

Each training plan will include access to the training zone calculators as well as a Training Manual. The training manual will include instructions on how to use your zones (RPE, HR, pace, power), how to perform benchmark testing, and access to video descriptions of the drills and exercises, and tips on race day and workout hydration and nutrition.

If you have questions about this plan please email us at

Training Plan Sample Week


Average Weekly Breakdown

Workouts Weekly Average Longest Workout
Strength x3
1:22 hrs 0:30 hrs
Bike x3
4:21 hrs 4:30 hrs
Run x3
2:11 hrs 2:00 hrs
X-Train x3
1:00 hrs 0:20 hrs
Swim x2
1:33 hrs 1:10 hrs
Day Off x1
—— ——
Workouts Per Week Weekly Average Longest Workout
1:22 hrs 0:30 hrs
4:21 hrs 4:30 hrs
2:11 hrs 2:00 hrs
1:00 hrs 0:20 hrs
1:33 hrs 1:10 hrs
Day Off
—— ——

Training Load By Week

This plan works best with the following fitness devices:

  • GPS

All supported devices

Carrie Smith, PT, DPT

Comprehensive Endurance Solutions

Carrie is a physical therapist, USA Triathlon, and IRONMAN Certified coach in Atlanta, GA. She specializes in working with triathletes and runners to improve race performance from sprint to Ironman distance as well as those looking for injury prevention and return to sport. Carrie has over 10 years of experience working with triathletes and also offers metabolic testing for the bike and run, movement assessments, run video analysis and physical therapy and craniosacral therapy services.

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