Workout Description

4 Mile bike - 19:551.75 Mile run - 12:561 Mile Row - 5:535 RFT: - 5:1320 double unders 10 burpees

Why This Workout Is Hard

This ~44-minute sequential aerobic grind creates brutal cumulative fatigue: the bike pre-fatigues the legs before the run, and a sub-6-minute mile row (~1:50/500m pace) after both is genuinely punishing. The final RFT introduces double unders requiring coordination under significant respiratory and leg fatigue. No heavy loads or high-skill gymnastics, but the relentless cardio volume across four modalities makes this solidly Hard.

Training Focus

This workout develops the following fitness attributes:

  • Endurance (9/10): Four miles of biking, 1.75 miles of running, and a full mile row back-to-back create a sustained multi-modal aerobic challenge totaling nearly 45 minutes of continuous cardiovascular output.
  • Stamina (8/10): High-volume sustained effort across rowing, running, and cycling taxes full-body muscular endurance. The 50 burpees and 100 double unders in the RFT add meaningful upper and lower body muscular stamina demands.
  • Speed (4/10): The 5 RFT piece rewards fast double under cycling and burpee transitions. The bike, run, and row segments require pacing strategy rather than all-out sprint efforts, creating moderate speed demand overall.
  • Power (3/10): Double unders require rhythmic calf and wrist power, and burpees include a small explosive jump. However, the dominant stimulus is aerobic, not explosive, minimizing power as a primary driver.
  • Flexibility (2/10): Basic mobility needed for burpee hip extension and rowing catch position. No extreme ranges of motion demanded across biking, running, rowing, or jump rope work.
  • Strength (1/10): No external loading present. All movements are bodyweight or machine-based, making this nearly zero in terms of maximal force production requirements.

Movements

  • Burpee
  • Run
  • BikeErg
  • Row
  • Double-Under

Modality Profile

5 total movements: BikeErg, Run, and Row are all Monostructural (3/5 = 60%), while Double-Unders and Burpees are Gymnastics bodyweight movements (2/5 = 40%). No external load movements present.

Training Profile

AttributeScoreExplanation
Endurance9/10Four miles of biking, 1.75 miles of running, and a full mile row back-to-back create a sustained multi-modal aerobic challenge totaling nearly 45 minutes of continuous cardiovascular output.
Stamina8/10High-volume sustained effort across rowing, running, and cycling taxes full-body muscular endurance. The 50 burpees and 100 double unders in the RFT add meaningful upper and lower body muscular stamina demands.
Strength1/10No external loading present. All movements are bodyweight or machine-based, making this nearly zero in terms of maximal force production requirements.
Flexibility2/10Basic mobility needed for burpee hip extension and rowing catch position. No extreme ranges of motion demanded across biking, running, rowing, or jump rope work.
Power3/10Double unders require rhythmic calf and wrist power, and burpees include a small explosive jump. However, the dominant stimulus is aerobic, not explosive, minimizing power as a primary driver.
Speed4/10The 5 RFT piece rewards fast double under cycling and burpee transitions. The bike, run, and row segments require pacing strategy rather than all-out sprint efforts, creating moderate speed demand overall.

4 Mile bike - 19:551.75 Mile run - 12:561 Mile Row - 5:535 RFT: - 5:1320 double unders 10 burpees

Difficulty:
Hard
Modality:
G
M
Your Scores:

Training Profile

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