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Superior training style for Hybrid Athletes

Updated: Sep 4, 2025

The Science Behind Endurance Training styles: What is best for for Hybrid Athletes


When it comes to endurance training in a hybrid training program, there are many methods to choose from, but not all are equally effective. A recent study compared four popular training styles among endurance athletes: High-Volume Training (HVT), Threshold Training (THR), High-Intensity Interval Training (HIIT), and Polarized Training (POL). The results show suprising results of what turned out to be the most effective way of training.


What the Study Found: VO2 Max Changes


In this 9-week study, 48 endurance athletes were divided into four groups, each following one of the training methods. The improvement in VO2 max, a key indicator of endurance performance, varied significantly between the groups:


Polarized Training (POL): +11.7%

High-Intensity Interval Training (HIIT): +7%

Threshold Training (THR): Minimal improvement.

High-Volume Training (HVT): Minimal improvement.


Why Polarized Training Works


Polarized Training blends two key elements:

1. Low-Intensity Base (Zone 2 Training): Makes up 80% of total training volume, focusing on aerobic capacity, mitochondrial efficiency, and recovery.

2. High-Intensity Efforts: Around 20% of training volume, designed to push VO2 max and top-end speed.


Zone 2 training lays the groundwork for endurance by enhancing your body's efficiency in utilizing oxygen, whereas high-intensity sessions enhance your performance. Combined, they form a system that enables athletes to manage greater workloads and recover more quickly.


Why Zone 2 Training Matters for Hybrid Athletes


For hybrid athletes, Zone 2 training is indispensable because it:


Improves Recovery: A stronger aerobic base means faster recovery between strength and endurance sessions.

Builds Endurance: Supports long-duration efforts by increasing mitochondrial density and efficiency.

Enhances Overall Fitness: Zone 2 training balances the stress of high-intensity workouts, reducing the risk of overtraining.


Zone 2 is crucial not only for improving endurance but also for sustaining energy and resilience in various training methods.


Ranking the Training Styles


Here’s how the four training styles compare, based on their effectiveness in improving VO2 max:


1. Polarized Training (POL): Best for building endurance and VO2 max.

2. High-Intensity Interval Training (HIIT): Good for short-term gains but less comprehensive.

3. Threshold Training (THR): Limited improvements, especially for trained athletes.

4. High-Volume Training (HVT): Provides a foundation but lacks significant performance improvements on its own.


How to Incorporate Polarized Training


For a hybrid athlete, a simple polarized week might look like this:


Day 1: Zone 2 Run (60 minutes).

Day 2: Strength Training (Squats and Pull-Ups).

Day 3: 4x4-Minute Intervals (Zone 4-5 with 3-minute recovery).

Day 4: Recovery Run (Zone 2, 45 minutes).

Day 5: Strength Training (Deadlifts and Bench Press).

Day 6: Threshold Run (Zone 4, 25-30 minutes).

Day 7: Rest or Mobility Work.


Conclusion: Train Smarter, Not Harder


This study demonstrates that combining low-intensity aerobic work with targeted high-intensity efforts produces the best results. For hybrid athletes, Zone 2 training is a cornerstone of performance, allowing you to excel in both strength and endurance. By adopting a polarized approach, you’ll see consistent, long-term improvements without unnecessary complexity or burnout.

 
 
 

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