Hybrid Lab

1km Pace Under Fatigue Framework

1km Pace Under Fatigue Framework

Race Reality

HYROX consists of repeated 1km runs under accumulated muscular fatigue. The ability to hold pace while heart rate drifts is critical.

Heart Rate Drift Target

Advanced athletes aim to keep HR drift under 5 bpm between first and last repeat during simulation blocks.

Sample Session

  • 6 × 1km at goal pace
  • 90s recovery
  • Post-run sledge push (light) for fatigue layering

Pair with Zone 2 Base Building Protocol during build phases.

Coach Profile

HybridLab is led by a hybrid performance coach focused on strength, endurance, and race-day execution.

With a background in structured strength training and aerobic development, the coaching philosophy centres around one principle. Rather than chasing random high-intensity sessions, HybridLab programming emphasises:

Aerobic base development, Station efficiency and movement quality, Progressive overload in strength work and Repeatable pacing under fatigue.

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