Workout overview

Duration: 1h 3m 45s

Stress points: 56

Zone distribution

Z1: 45m

Z2: 6m

Z3: 8m

Z4: 1m

Z5: -

Z6: 3m

71%
9%
13%
2%
1%
4%

Anaerobic power is what you need for short explosive efforts up a hill or when attacking a group. In this workout, we find out how strong your system is, and whether you can repeat these high-intensity efforts.

Some riders have naturally good short-term power capabilities, and some need to focus on it if they want to improve that EXPLOSIVE power. If you want to attack on the Innsbruckring' Leg-Snapper' climb with the style of Philippe Gilbert, then we need to work on these high power sessions.

We are stressing your maximal glycolytic system today with some BIG anaerobic power efforts. We start with a solid warm-up, incorporating high-force efforts that require lots of muscular strength. These short efforts will have you primed and ready for action.

The session starts with a maximal 1min FULL GAS effort to allow you to set a peak power effort and set a benchmark to guide you for the rest of the Academy. In this effort, start close to maximal capacity, which is just about sustainable for 30sec and then hold your power as high as possible during the last 10-20sec.

The last three anaerobic efforts are aimed at stressing your anaerobic endurance. We do this by starting at a high power output in the first rep and gradually increasing the duration of efforts while decreasing the wattage target. All these efforts will max out your anaerobic energy pathways with high lactate concentrations.

We finish the ride with a 6min aerobic effort. This will not be as easy! You may have depleted all of your anaerobic energy, plus the high power efforts will have impacted your muscular strength by now. Both components combined will leave this sub-threshold effort feeling harder than normal.

✓ Available in Zwift More workouts like this

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  • 4. Anaerobic Resilience

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  • 5. Primed FTP

    56m | 65 SP

  • 6. Alternative Sprints

    59m | 43 SP

  • 7. VO2 Development

    1h 9m | 82 SP

  • 8. Anaerobic Depletion

    59m | 53 SP

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