This workout combines moderate-to-high volume aerobic work (4800m total) with a :40 on/:20 off interval structure that provides minimal recovery. The 40-second work windows force athletes to maintain high intensity across three different modalities, creating cumulative fatigue. While individual movements are straightforward, the relentless pacing and aerobic demand make this challenging for average CrossFitters. Most will complete it but with significant effort and fatigue accumulation.
This workout develops the following fitness attributes:
Workout consists of three monostructural cardio movements: 800m row, 1600m run, and 2400m bike. All movements are cyclical cardio modalities with no gymnastics or weightlifting components.
| Attribute | Score | Explanation |
|---|---|---|
| Endurance | 9/10 | Extended cardiovascular demand across 800m row, 1600m run, and 2400m bike with minimal rest. The :40 on/:20 off format sustains aerobic effort throughout the entire workout duration. |
| Stamina | 8/10 | High muscular endurance demand as athletes maintain output across three different modalities with only :20 second recovery between efforts. Legs and cardiovascular system face sustained fatigue. |
| Strength | 1/10 | No strength component; workout relies on bodyweight and machine resistance only. Focuses on aerobic capacity rather than force production or load management. |
| Flexibility | 3/10 | Basic mobility required for rowing, running, and cycling positions. Minimal range of motion demands compared to gymnastics or weightlifting movements. |
| Power | 2/10 | Minimal explosive demand; workout emphasizes steady-state aerobic output. Brief :20 second rest intervals don't allow for true power development or recovery. |
| Speed | 6/10 | Moderate pacing demands with :40 on/:20 off intervals requiring consistent cycling and transition efficiency. Athletes must maintain steady speed across three different movement patterns. |
:40 on, :20 off until you complete:800 meter row1600 meter run2400 meter bike
