Workout Description

Why This Workout Is Hard

This is a long-duration endurance workout (~45-60 min for average athlete) combining running and cycling with minimal rest. The 1.5 miles of running is moderate, but the 20k total bike work (alternating every 2k) creates significant leg fatigue. The alternating bike format prevents full recovery between efforts. Scoring only part 2 adds psychological pressure. High volume, continuous work, and cumulative leg fatigue make this Hard despite moderate intensity per movement.

Training Focus

This workout develops the following fitness attributes:

• Endurance (9/10): Extended aerobic effort combining running and cycling over significant distance and duration. Sustained cardiovascular demand throughout multiple rounds tests pure aerobic capacity and oxygen utilization.
• Stamina (8/10): High volume of cycling and running creates substantial muscular endurance demands. Legs sustain repeated efforts across multiple rounds, requiring sustained power output without full recovery.
• Speed (4/10): Moderate pacing emphasis with partner coordination and alternating bike segments. Not a sprint-focused workout; steady aerobic pace maintained throughout multiple rounds.
• Flexibility (3/10): Basic hip and ankle mobility needed for running and cycling positions. Moderate range of motion demands but not extreme; primarily functional movement patterns.
• Strength (2/10): Minimal strength component; primarily bodyweight-dependent running and cycling. No external load or maximal force production required for movement execution.
• Power (2/10): Steady-paced aerobic work with minimal explosive demands. Partner format and alternating structure emphasize consistent output rather than rapid acceleration or sprint cycling.

Movements

• Swim
• Run
• BikeErg

Modality Profile

Workout consists entirely of monostructural cardio movements: swimming (3x2x50 at 1x150), running (.75 mile segments), and biking (10k segments). No gymnastics or weightlifting movements present.