Workout Description

30’’ on 30’’ off: -10 rounds on Rowerg Then: -10 rounds on Skierg

Why This Workout Is Medium

The 30-on/30-off interval structure provides substantial built-in recovery, making this highly manageable despite the 20 total rounds. Rowing and skiing are low-skill, familiar movements that don't compound fatigue across modalities. The work-to-rest ratio (1:1) allows heart rate recovery between efforts. Total duration is approximately 10-12 minutes. While the continuous intervals create moderate cardiovascular demand, the equal rest periods and movement simplicity keep this accessible for average CrossFitters without requiring scaling.

Training Focus

This workout develops the following fitness attributes:

  • Endurance (8/10): The 30-second work intervals repeated across 20 total rounds demand sustained cardiovascular output. The continuous aerobic demand with minimal recovery tests heart rate maintenance and oxygen utilization capacity.
  • Stamina (7/10): Rowing and skiing ergometer work requires significant muscular endurance in legs, core, and upper back. Twenty rounds of sustained pulling/pushing effort depletes muscle glycogen and tests lactate tolerance.
  • Speed (6/10): The 30-second work/30-second rest structure creates a defined pace with minimal transition time. Athletes must maintain consistent cadence and quick leg turnover throughout the workout.
  • Power (4/10): Ergometer work involves explosive leg drive and upper body pull, but the 30-second intervals and continuous pacing limit true power expression. Moderate power demand with emphasis on sustained output.
  • Strength (2/10): Ergometer work emphasizes power endurance rather than maximal strength. No heavy loads or max-effort movements; focus is on sustained force application at moderate intensity.
  • Flexibility (1/10): Both rowing and skiing require basic hip, shoulder, and thoracic mobility. The repetitive nature demands minimal range of motion variation or extreme positional demands.

Movements

  • Row
  • Ski Erg

Scaling Options

For athletes newer to these machines or with limited aerobic capacity, consider reducing to 6-8 rounds on each machine rather than 10, keeping the 30/30 format intact to preserve the stimulus. Alternatively, adjust to 20 seconds on / 40 seconds off to allow more recovery while still generating quality efforts — this is especially appropriate for athletes who struggle to maintain technique as fatigue accumulates. If only one machine is available, complete 20 total rounds on a single machine. Athletes with shoulder limitations should prioritize the RowErg and reduce SkiErg rounds or substitute 20-30 seconds of light assault bike for the SkiErg intervals. For higher-level athletes who want more stimulus, shorten rest to 20 seconds off or add a target output (e.g., must hit 15+ calories per round on row, 10+ on ski) to enforce accountability.

Scaling Explanation

Scale if you cannot maintain relatively consistent output across rounds — if your round 5 output drops more than 20% from round 1, the stimulus is lost. You should feel uncomfortable but in control during every work interval. Prioritize output consistency and technique over raw numbers. If your form on the RowErg or SkiErg breaks down significantly — rounding aggressively through the lower back on the row, or collapsing at the shoulder on the ski — reduce rounds or extend rest immediately. The goal is 20 quality efforts, not 20 survival efforts. Athletes should feel metabolically challenged throughout but never so gassed that technique becomes unsafe or output becomes negligible.

Intended Stimulus

This is a high-output aerobic interval session targeting both your aerobic capacity and your ability to reproduce power across repeated efforts. The 30 on / 30 off format sits in a moderate-to-hard time domain — not a pure sprint, not a grind. The equal work-to-rest ratio demands that you go hard enough to feel the effort, but smart enough to sustain similar outputs across all 20 rounds. The primary challenge is conditioning and mental discipline: holding back your ego on round 1 so you still have something left on round 20 of the SkiErg. Think of it as 'hard sustained bursts' — you should feel uncomfortable during every work interval, but recoverable within each rest period. The transition from RowErg to SkiErg is a secondary challenge, as the SkiErg hits the posterior chain and arms differently and will expose any accumulated fatigue from rowing.

Coach Insight

The biggest mistake athletes make in 30/30 workouts is going out too hot in rounds 1-3 and watching their output collapse by round 6. Aim for 85-90% effort — a pace that feels challenging but not maximal. On the RowErg: drive with the legs first, keep your catch angle consistent, and avoid over-reaching at the catch which bleeds power. Target a stroke rate of 26-30 SPM for most athletes. On the SkiErg: engage your lats by pulling the handles down and back, not just with your arms — think 'lat pulldown from the sky.' Hinge at the hips slightly and use your upper body and core together. Keep stroke rate around 30-34 SPM. Monitor your calories or meters per round and try to stay within 5-10% of your round 1 output by your final rounds. Use the 30 seconds of rest intentionally — hands off the handles, breathe deeply, shake out your arms, and mentally reset. The transition from RowErg to SkiErg will feel like a shock — your arms and back will fatigue differently, so lower your expectations slightly on the first 2-3 SkiErg rounds as you recalibrate.

Benchmark Notes

Total meters accumulated across all 20 work intervals (10 row + 10 ski) is the primary score. Aerobic capacity and machine-specific efficiency (catch timing on row, shoulder endurance on ski) govern output; fatigue accumulates noticeably in the final ski rounds. L5 (~2800m) reflects ~140m/interval on row and ~120m/interval on ski, consistent with a trained CrossFitter holding moderate sustainable pace without sprint-and-die.

Modality Profile

Both Row and Ski Erg are cyclical cardio movements classified as Monostructural (M). With 2 unique movements, both falling under the same modality, the workout is 100% Monostructural.

Training Profile

AttributeScoreExplanation
Endurance8/10The 30-second work intervals repeated across 20 total rounds demand sustained cardiovascular output. The continuous aerobic demand with minimal recovery tests heart rate maintenance and oxygen utilization capacity.
Stamina7/10Rowing and skiing ergometer work requires significant muscular endurance in legs, core, and upper back. Twenty rounds of sustained pulling/pushing effort depletes muscle glycogen and tests lactate tolerance.
Strength2/10Ergometer work emphasizes power endurance rather than maximal strength. No heavy loads or max-effort movements; focus is on sustained force application at moderate intensity.
Flexibility1/10Both rowing and skiing require basic hip, shoulder, and thoracic mobility. The repetitive nature demands minimal range of motion variation or extreme positional demands.
Power4/10Ergometer work involves explosive leg drive and upper body pull, but the 30-second intervals and continuous pacing limit true power expression. Moderate power demand with emphasis on sustained output.
Speed6/10The 30-second work/30-second rest structure creates a defined pace with minimal transition time. Athletes must maintain consistent cadence and quick leg turnover throughout the workout.

30’’ on 30’’ off: -10 rounds on Rowerg Then: -10 rounds on

Difficulty:
Medium
Modality:
M
Stimulus:

This is a high-output aerobic interval session targeting both your aerobic capacity and your ability to reproduce power across repeated efforts. The 30 on / 30 off format sits in a moderate-to-hard time domain — not a pure sprint, not a grind. The equal work-to-rest ratio demands that you go hard enough to feel the effort, but smart enough to sustain similar outputs across all 20 rounds. The primary challenge is conditioning and mental discipline: holding back your ego on round 1 so you still have something left on round 20 of the SkiErg. Think of it as 'hard sustained bursts' — you should feel uncomfortable during every work interval, but recoverable within each rest period. The transition from RowErg to SkiErg is a secondary challenge, as the SkiErg hits the posterior chain and arms differently and will expose any accumulated fatigue from rowing.

Insight:

The biggest mistake athletes make in 30/30 workouts is going out too hot in rounds 1-3 and watching their output collapse by round 6. Aim for 85-90% effort — a pace that feels challenging but not maximal. On the RowErg: drive with the legs first, keep your catch angle consistent, and avoid over-reaching at the catch which bleeds power. Target a stroke rate of 26-30 SPM for most athletes. On the SkiErg: engage your lats by pulling the handles down and back, not just with your arms — think 'lat pulldown from the sky.' Hinge at the hips slightly and use your upper body and core together. Keep stroke rate around 30-34 SPM. Monitor your calories or meters per round and try to stay within 5-10% of your round 1 output by your final rounds. Use the 30 seconds of rest intentionally — hands off the handles, breathe deeply, shake out your arms, and mentally reset. The transition from RowErg to SkiErg will feel like a shock — your arms and back will fatigue differently, so lower your expectations slightly on the first 2-3 SkiErg rounds as you recalibrate.

Scaling:

For athletes newer to these machines or with limited aerobic capacity, consider reducing to 6-8 rounds on each machine rather than 10, keeping the 30/30 format intact to preserve the stimulus. Alternatively, adjust to 20 seconds on / 40 seconds off to allow more recovery while still generating quality efforts — this is especially appropriate for athletes who struggle to maintain technique as fatigue accumulates. If only one machine is available, complete 20 total rounds on a single machine. Athletes with shoulder limitations should prioritize the RowErg and reduce SkiErg rounds or substitute 20-30 seconds of light assault bike for the SkiErg intervals. For higher-level athletes who want more stimulus, shorten rest to 20 seconds off or add a target output (e.g., must hit 15+ calories per round on row, 10+ on ski) to enforce accountability.

Your Scores:

Training Profile

Performance Levels
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