Workout overview

Duration: 1h 17m

Stress points: 103

Zone distribution

Z1: 17m

Z2: 23m

Z3: 5m

Z4: 18m

Z5: 6m

Z6: 8m

22%
30%
6%
23%
8%
10%

This is a very tough session and not many people are able to complete it on first attempt - so don't be disheartened if you cannot. It is designed to stretch you to your fullest - taking you to your upper limit of aerobic powers and forcing you to recover at your threshold. Ensure you have a good quality, powerful fan during this session, you WILL get hot and you will need good airflow on the indoor trainer.

✓ Available in Zwift More workouts like this

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  • Session 23: Extra-Extended OUs

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  • Session 25: Attack Simulation

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