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Runners and Cords

Runners and cords are important pieces of climbing gear. Their uses are multifarious - runners and cords are used to connect to anchors, secure belay points, carry gear, extend quickdraws, and can even function as cams for cracks in soft rock when knotted. Runners are an integral part of modern rock climbing.

Whether they are connecting quickdraw carabiners, used for belay anchors on multi-pitch climbs, or slung around a rope in a Prusik knot for crevasse rescues, runners and cords can be seen everywhere in the mountains. When attaching runners to a climbing harness it is advisable to shorten them into a daisy chain or using other techniques, since the consequences of getting caught up in them can be dire.

Runner differences

Runners for climbing and mountain sports are made from one of three materials: Polyamide (PA, Nylon), poly­ethylene (Dyneema®) and aramid (Kevlar®). polyamide is well-known by climbers, since climbing ropes are usually made of the same material. Most accessory cords and webbing runners are also made of polyamide.

Dyneema is significantly more durable than poly­amide and is also lighter, but unfortunately extremely smooth. Its smoothness prevents it from being knotted securely, which is why Dyneema is almost only sold in the form of sewn runners. Dyneema cords on the other hand can be bought by the meter.

Aramid or Kevlar is immensely durable, able to withstand strong forces as well as resist abrasion through rocks and other sharp objects. Kevlar cords are significantly stiffer than cords made of other materials, but can still be knotted satisfactorily. Kevlar's only disadvantage is its susceptibility to damage through UV-radiation, which is less significant for polyamide and Dyneema. In any case it is not a good idea to climb with severly sun-bleached runners, no matter what material they are made of!

Knots

Webbing bought by the meter, as opposed to a pre-sewn runner, obviously has to be knotted or otherwise combined into a runner. Sewn runners are often knotted during use as well. Dyneema sewn runners for example are often knotted to achieve the desired length for anchor and belay points. It is however noteworthy that knots reduce a runner's or cord's strength by 20-60%, depending on the type of knot used.  Caution: A single clove hitch will already begin slipping at o,8 kN (body weight). In addition Dyneema also melts at relatively low temperatures, so be wary of friction heat! It is advisable to always double up Dyneema runners when knotting them. The tried and true figure eight knot is a great option. But despite the need to be careful when using them, runners are indispensible for climbing!

Buying cords and runners

You can find reliable and affordable cords, webbing, and runners in the Bergzeit Online Shop, sold pre-sewn as well as by the meter! Browse our large selection online, or come have a look in person at one of our stores.

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Slings, Webbing

(201 articles)
-0% New
Diamond Dogbone 12cm Quickdraw Black Diamond

Diamond Dogbone 12cm Quickdraw

Stable quickdraw for all types of climbing.

£4.95 Reg. £4.95
In stock,
delivery time 3-5 days
12CM 18CM
-0% New
Powerloc Expert Accessory Cord Edelrid

Powerloc Expert Accessory Cord

Average Rating

Extremely abrasion resistant accessory cord

£0.95 Reg. £0.95
In stock,
delivery time 3-5 days
night-fire
4mm
aqua-flame
5mm
night-sahara
6mm
aqua-blue
7mm
oasis-flame
8mm 5mm
night
6mm
oasis
6mm
-0% New
Powerloc Expert Accessory Cord Edelrid

Powerloc Expert Accessory Cord

Average Rating

Extremely abrasion resistant accessory cord

£0.95 Reg. £0.95
In stock,
delivery time 3-5 days
night-fire
4mm
aqua-flame
5mm
night-sahara
6mm
aqua-blue
7mm
oasis-flame
8mm 5mm
night
6mm
oasis
6mm
-0% New
Looper PA Sling 16 mm Climbing Technology

Looper PA Sling 16 mm

Durable Polyamide sling

£2.95 Reg. £2.95
In stock,
delivery time 3-5 days
60CM
-0% New
10 mm Dynex Runner 30 cm Black Diamond

10 mm Dynex Runner 30 cm

Superstrong, water-repellent sewn runner that resists freezing - ideal anchor for alpine and ice climbing.

£12.95 Reg. £12.95
In stock,
delivery time 3-5 days
rot
30cm
blau
120cm
grau
240cm
-0% New
10 mm Dynex Runner 30 cm Black Diamond

10 mm Dynex Runner 30 cm

Superstrong, water-repellent sewn runner that resists freezing - ideal anchor for alpine and ice climbing.

£23.95 Reg. £23.95
In stock,
delivery time 3-5 days
rot
30cm
blau
120cm
grau
240cm
-0% New
18 mm Nylon Runner 30 cm Black Diamond

18 mm Nylon Runner 30 cm

Average Rating

Sewn runner with flat profile

£5.95 Reg. £5.95
In stock,
delivery time 3-5 days
rot
30cm
blau
120cm
-0% New
Tech Web Quickdraw Sling 12 mm Edelrid

Tech Web Quickdraw Sling 12 mm

Lightweight quickdraw made from Dyneema® including antitwist

£3.95 Reg. £3.95
In stock,
delivery time 3-5 days
18CM
-0% New
Jim Quickdraw Pes Edelrid

Jim Quickdraw Pes

Durable quickdraw with built-in abrasion indicator

£3.95 Reg. £3.95
In stock,
delivery time 3-5 days
10CM 18CM
-0% New
Absorber Sling Edelrid

Absorber Sling

Self belay sling for fixing as a stand or other fix points

£19.95 Reg. £19.95
In stock,
delivery time 3-5 days
70CM
-0% New
Wall Quickdraw Mammut

Wall Quickdraw

Quickdraw sling for both rock & ice climbng

£4.95 Reg. £4.95
In stock,
delivery time 3-5 days
white-fire
10cm
white-orange
20cm
white-basalt
15cm
-0% New
10 mm Dynex Dogbone 12 cm Black Diamond

10 mm Dynex Dogbone 12 cm

Stitched webbing for quickdraws

From £2.95 Reg. £2.95
In stock,
delivery time 3-5 days
12cm 18CM
-0% New
Wall Quickdraw Mammut

Wall Quickdraw

Quickdraw sling for both rock & ice climbng

£3.95 Reg. £3.95
In stock,
delivery time 3-5 days
white-fire
10cm
white-orange
20cm
white-basalt
15cm
-0% New
Alpha Fix Y-Belay Sling Edelrid

Alpha Fix Y-Belay Sling

Belay sling for work climbing and canyoning

£19.95 Reg. £19.95
In stock,
delivery time 3-5 days
60CM/30CM
-0% New
Vari-width Dogbone 12 cm Black Diamond

Vari-width Dogbone 12 cm

Sewn quick-draw sling that's easy to use

£3.95 Reg. £3.95
In stock,
delivery time 3-5 days
-0% New
Gym Indicator 16.0 Quickdraw Mammut

Gym Indicator 16.0 Quickdraw

Durable quickdraw sling with colour indication at critical abrasion level

£3.95 Reg. £3.95
In stock,
delivery time 3-5 days
15 CM
-0% New
Protector Sling Protector Mammut

Protector Sling Protector

Protector for slings

£1.95 Reg. £1.95
In stock,
delivery time 3-5 days
black
up to -24% New
Rap Line 6mm Aramid Edelrid

Rap Line 6mm Aramid

Robust Aramid rap line

From £72.95 Reg. £95.95
In stock,
delivery time 3-5 days
30m 40m 50m 60m
-9% New
Ring Dyneema Grivel

Ring Dyneema

Durable Dyneema sling

£9.95 Reg. £10.95
In stock,
delivery time 3-5 days
120CM
-0% New
8 Step Ladder Aider Metolius

8 Step Ladder Aider

Ladder with 8 steps

£47.95 Reg. £47.95
In stock,
delivery time 3-5 days
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