What is the grey zone in running?

The benefits and detriments of running in the grey zone

How to use the talk test

When to use zone 3 training

Should you do all of your long runs at marathon pace?

What is polarized training (hard days hard, easy days easy)

Marathon pace/zone 3 workouts

Zone 2 vs zone running when you are a beginner runner

If you enjoyed this episode, you may also like:

44: Why do you get muscle cramps when running?

9: What is 80/20 running?

2: Zone 2 training and heart rate

32: What your running watch stats mean

References:

PMID: 33344993

PMID: 36900796

PMID: 35661059

PMID: 26578968

Skiba, Scientific Training For Endurance Athletes

Further reading:

48: Is It Bad to Run in the "Grey Zone?" Understanding Moderate Pace Running