World's Greatest Stretch
The world's greatest stretch is a multi-plane dynamic mobility exercise that combines a deep lunge, thoracic spine rotation, and hamstring stretch into one flowing movement — the single most valuable warm-up exercise for HYROX athletes preparing to run, squat, lunge, and pull.
What the sequence is
“World’s greatest stretch” is an informal name for a multi-step mobility sequence, often combining a lunge, trunk rotation and optional hamstring or hip movement. There is no single governing definition; coaches use different versions. Perform only the components and range you can control without forcing pain.
ACSM resistance-training position stand 2026 · OpenStax axial muscle anatomy
Use and limits
A dynamic version may be included in a warm-up when it matches the upcoming activity. Repetitions, holds and range should reflect the athlete and purpose. One sequence does not assess every joint, permanently correct posture, replace specific preparation or guarantee injury prevention or HYROX® performance. “Greatest” is a nickname, not comparative evidence.
ACSM resistance-training position stand 2026 · OpenStax axial muscle anatomy
FAQ
Is there one official version?
No. The name is used for several sequences.
ACSM resistance-training position stand 2026 · OpenStax axial muscle anatomy
Must everyone do it?
No. Warm-ups should match the person and task.
ACSM resistance-training position stand 2026 · OpenStax axial muscle anatomy
Does it prevent injury?
No sequence guarantees prevention.
ACSM resistance-training position stand 2026 · OpenStax axial muscle anatomy
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Start every HYROX® session with the world's greatest stretch - program it with Repz, the hybrid athlete's training platform.
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