GA Endurance | Half Marathon Intermediate | 40 Weeks | Structured Plan | Coach Access
GA Endurance | Half Marathon Intermediate | 40 Weeks | Structured Plan | Coach Access
Structured Workouts automatically sync with compatible devices and guide you through workouts in real time.
Learn More about Structured Workouts.
Length
40 Weeks
Structured Workouts automatically sync with compatible devices and guide you through workouts in real time.
Learn More about Structured Workouts.
Plan Description
Is This Plan For You?
This 40-week Half Marathon Base plan by GA Endurance is designed for runners who want a complete, long-term development system built on precision, consistency, and sustainability.
It is ideal for intermediate athletes who can comfortably run 8–12 km and are ready to commit to a fully structured progression that develops aerobic capacity, pacing control, and endurance durability over time.
If you are looking to build your performance properly—without shortcuts—this plan provides a comprehensive and highly structured pathway.
What You Can Expect
• A complete 40-week Base progression designed for long-term development
• Gradual and highly controlled increase in volume with precise intensity management
• Strong emphasis on aerobic capacity, steady-state strength, and fatigue resistance
• Long and structured steady sessions to improve pacing stability and endurance durability
• Integrated testing phases to track progress and recalibrate training zones throughout the plan
• Clear, easy-to-follow workouts using pace, heart rate, or perceived effort
• Optional strength guidance to support injury prevention and long-term consistency
Coaching & Support
This plan includes Coach Access.
If you have any questions during your training, you can reach out anytime via:
coachsupport@gaendurance.com
Requirements
To start this plan, you should be able to:
• Run continuously for at least 8–12 km
• Train consistently 4–5 times per week
• Have prior structured training experience
• Be committed to a long-term, progressive training process
A GPS watch or heart rate monitor is strongly recommended for best results.
Final Note
This 40-week Base plan is not just a training block—it is a complete development system.
Over time, you will build a highly efficient aerobic engine, improve pacing precision, and develop exceptional endurance durability.
This long-term approach allows for deeper adaptation, reduced injury risk, and a more stable transition into race-specific training phases.
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
x5
|
03:54:00 | 02:00:00 |
|
Day Off
x2
|
—— | —— |
| Workouts Per Week | Weekly Average | Longest Workout | |
|---|---|---|---|
|
|
03:54:00 | 02:00:00 | |
|
|
—— | —— |
Training Load By Week
This plan works best with the following fitness devices:
- Heart Rate Monitor
- 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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Premium unlocks smarter training with advanced analytics, TrainingPeaks Virtual, and Structured Strength to give you deeper insights and data-backed results.
$101.24 USD for the first year, billed yearly.
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.