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Sterling Marathon Pro
  • Sterling Marathon Pro
  • Sterling Marathon Pro
  • Sterling Marathon Pro
  • Sterling Marathon Pro
  • Sterling Marathon Pro
  • Sterling Marathon Pro

10.1mm Marathon Pro 50m



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Pro can easily be described as the best all around rope for durability and handling. At 10.1mm, the Pro has performed to the highest standards on more routes than most of the competition combined. It features a low impact force and as with all of our ropes DryCore.

Retail price

US$ 174.15

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Award Image
Award Image
Weight 63.0 g/m
6.944 lbs / 3150 g
Diameter (millimeters) 10.7 mm
Length (meters) 50 m
Rope Type Single­
UIAA Falls (Single / Half / Twin) ­6  / 00
Dynamic Elongation (Single / Half / Twin) 35.3 % / 0.0 % / 0.0 %
Static Elongation (Single / Half / Twin) 8.4 % / 0.0 % / 0.0 %
Impact Force (Single / Half / Twin) 8.60 kN / 0.00 kN / 0.00 kN
Dry Treatment Core­
Sheath Proportion (%) 38.0 %
Sheath Slippage (mm) ­
Type of Middle Mark Marking
Rope End Marker None
Certification CE, EN, UIAA
10.1mm Marathon Pro Dry

This video shows close and all around views of 10.1mm Marathon Pro Dry.

Making a Backpack Coil

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Outdoor Gear Lab Gear Review rating 4/5

As we've tried to make clear, the Marathon Pro demonstrated the best durability of any rope examined in this review. Primarily for this reason it won our Top Pick Award for the best 'workhorse' rope. Its heavy weight (63 g/m) created by the thick sheath was its greatest drawback. However, in many situations this heft can be tolerated for the increase in lifespan it provides. Overall, we recommend this rope for shoppers who are looking for a good performing rope that can handle lots of abuse.

The UIAA equipment standard provides a baseline for equipment performance in a test lab under controlled conditions on new equipment. Although these test conditions are relevant to the conditions encountered climbing, conditions encountered at the crags and the condition of the equipment are equally important. This recommendation from the UIAA member federation The British Mountaineering Council (BMC) provides vital equipment information that is NOT explicitly addressed in the standard, particularly failure modes of the equipment and recommendations for the use, inspection, maintenance, and retirement of equipment.