12 week 70. 3 Triathlon. Structured Sessions. 3s/4b/3r per week. Advanced Level.
12 week 70. 3 Triathlon. Structured Sessions. 3s/4b/3r per week. Advanced Level.
Structured Workouts automatically sync with compatible devices and guide you through workouts in real time.
Learn More about Structured Workouts.
Length
12 Weeks
Structured Workouts automatically sync with compatible devices and guide you through workouts in real time.
Learn More about Structured Workouts.
Plan Description
12 Week 70.3 Ironman Training Plan - Advanced
"> Stop Guessing. Start Training With Purpose.
Designed by accredited Triathlon and Endurance running coach Grant Hornsby, this 12-week structured Half Ironman program removes the uncertainty from training and provides a proven pathway to race-day success.
Every swim, bike and run session has been carefully designed to develop the physiological attributes required to perform at your best over the 70.3 distance.
Whether you're chasing a personal best, aiming for the podium, or simply striving to become the fastest version of yourself, this program provides the structure, progression and accountability needed to get there.
What's Included
- ✅ 12 weeks of structured training
- ✅ Detailed swim, bike and run workouts
- ✅ Compatible with TrainingPeaks and most GPS devices
- ✅ Progressive session design with clear race-specific objectives
- ✅ Strategic recovery and overload cycles
- ✅ Proven endurance coaching methodology
Weekly Structure
- 3 Swim Sessions
- 4 Bike Sessions
- 3 Run Sessions
Every workout includes specific pacing and intensity guidance, so you know exactly how hard to train and why.
Why This Program Works
Unlike generic online plans that simply prescribe distance and duration, this program is built around five core principles:
- Consistency
- Intelligent Pacing
- Progressive Overload
- Structured Recovery
- Purposeful Repetition
Each session is included for a particular physiological reason and contributes to a specific performance outcome.
Designed By
Grant Hornsby
Level 2 Advanced Running Coach
Triathlon Australia Accredited Coach
Bachelor of Applied Science (Human Movement)
Post Graduate Diploma (Exercise Science)
With more than 30 years specialising in endurance coaching and experience preparing athletes across swimming, cycling, running and triathlon, Grant's programs combine sports science, coaching experience and real-world racing knowledge.
Ideal For Athletes Who
- Are preparing for a Half Ironman (70.3)
- Want a professionally designed program without the cost of ongoing coaching
- Prefer structured, easy-to-follow training
- Want every workout planned in advance
- Are committed to reaching their potential on race day
Your Job Is Simple…
Open the session.
Complete the workout.
Trust the process.
I've already done the thinking for you.
How it Works
Quickly view upcoming workouts in the TrainingPeaks app.
Upload completed workouts from your favorite tracking app or device.
Get feedback, stay on top of your training and perform at your best.
Training Plan Sample Week
Stats
Average Weekly Breakdown
| Workouts | Weekly Average | Longest Workout |
|---|---|---|
|
Run
x4
|
02:38:00 | 01:49:00 |
|
Bike
x4
|
05:57:00 | 03:50:00 |
|
Swim
x3
|
02:19:00 | 01:05:00 |
| Workouts Per Week | Weekly Average | Longest Workout | |
|---|---|---|---|
|
|
02:38:00 | 01:49:00 | |
|
|
05:57:00 | 03:50:00 | |
|
|
02:19:00 | 01:05:00 |
Training Load By Week
This plan works best with the following fitness devices:
- Power Meter
- GPS
- This plan includes a Free Basic TrainingPeaks Account.
- Access your training plan anywhere on the TrainingPeaks mobile and desktop apps.
- Track your performance with robust data tracking and detailed graphs.
- Plan for your event in the TrainingPeaks calendar.
- Track your weight, sleep, hours, fatigue and stress while you train.
- Completed workouts sync with popular apps like Garmin and Wahoo. Learn More
- If plan includes Structured Workouts, then planned workouts sync to compatible devices and guide you through workouts in real time. Learn More
Refund Policy
This plan is protected by our Refund Policy and may, with the author's approval, be exchanged for a plan of equal value from the same author.
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Bundle Premium—
Save 20%
Premium unlocks smarter training with advanced analytics, TrainingPeaks Virtual, and Structured Strength to give you deeper insights and data-backed results.
$107.99 USD for the first year, billed yearly.