5min from 50 to 70% FTP1min @ 80% FTP1min @ 95% FTP1min @ 109% FTP1min @ 95% FTP1min @ 80% FTP3min @ 50% FTP4min @ 109% FTP3min @ 50% FTP5min @ 83% FTP5min @ 73% FTP5min @ 83% FTP5min @ 73% FTP6min @ 55% FTP4min free ride30sec @ 30% FTP4min 30sec from 60 to 45% FTP
Workout overview

Duration: 55m

Stress points: 56

Zone distribution

Z1: 19m

Z2: 13m

Z3: 16m

Z4: 2m

Z5: 5m

Z6: -

35%
23%
29%
4%
9%
0%

Although the intensity of a maximal 4-minute effort is far higher than ultra-distance power, it still has a direct relationship with performance. This is because the maximal power attained over 4 minutes is an excellent indicator of your maximal aerobic engine.

This session comes with a twist! We're also interested in your best 4-minute power under fatigue. This gives us an idea of both aerobic capacity and your overall endurance. Both critical for ultra-distance triathlon of course!

No longer available in Zwift* More workouts like this

*From Zwift 1.49 (early October 2023), Zwift has decided to reorganize its workout library into new collections. Use More workouts like this to find identical workouts in new workout collections or training plans in Zwift. Workouts that are no longer available in Zwift can be downloaded from the official Zwift forum. See more info here: FAQ: How do I obtain and use old Zwift workouts that are no longer available in Zwift?.

  • 1. Strength Development

    1h 2m | 59 SP

  • 2. Half-Distance Power Development

    1h 1m | 63 SP

  • 3. FTP Development

    1h 1m | 74 SP

  • 4. Endurance Stimulation

    1h 15m | 81 SP

  • 5. VO2max Development

    52m | 67 SP

  • 6. 4 Minute Power

    55m | 56 SP

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