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SESK: Stuff Everyone Should Know · sesk.info/climb-dynamic-vs-static

Which rope type is designed to stretch and catch lead falls?

Dynamic rope. Static rope barely stretches.

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  1. Static rope
  2. Dynamic rope ✔
  3. Accessory cord

Why: Dynamic ropes stretch to soak up the force of a fall. Static ropes stretch very little and are made for rappelling and hauling, not for catching falls.

Huh, didn't know that: The UIAA has set safety standards for dynamic climbing ropes since 1961.

The dad joke
Why is the dynamic rope so easygoing? It can stretch to fit any plan.
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References

Answer: Dynamic rope. Dynamic ropes stretch to soak up the force of a fall. Static ropes stretch very little and are made for rappelling and hauling, not for catching falls.

  1. EN 892: Dynamic Mountaineering Ropes avs.edelrid.com/images/attribut/EN_892.pdf
    Dynamic rope: rope that, as part of the safety system, is capable of arresting the fall of a mountaineer or climber with a limited maximum impact force.
    Checked 2026-10-12.
  2. UIAA 110 Static Ropes: Explanatory Note www.theuiaa.org/documents/safety-standards/UIAA_110_2025_ExplantoryNote_v1.0.pdf
    the requirements for dynamic ropes are well-defined since 1961
    Checked 2026-10-12.

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