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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

(195 articles)
-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.

£7.95 Reg. £7.95
In stock,
delivery time 3-5 days
rot
30cm
gelb
60cm
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.

£13.95 Reg. £13.95
In stock,
delivery time 3-5 days
rot
30cm
gelb
60cm
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.

£26.95 Reg. £26.95
In stock,
delivery time 3-5 days
rot
30cm
gelb
60cm
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
120cm
-0% New
Absorber Sling Edelrid

Absorber Sling

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

£21.95 Reg. £21.95
In stock,
delivery time 3-5 days
70CM
-0% New
Wall Express Slinge Mammut

Wall Express Slinge

Slings for rock & ice

£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 £3.95 Reg. £3.95
In stock,
delivery time 3-5 days
12cm 18CM
-0% New
Wall Express Slinge Mammut

Wall Express Slinge

Slings for rock & ice

£4.95 Reg. £4.95
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

£21.95 Reg. £21.95
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
Protector Sling Protector Mammut

Protector Sling Protector

Protector for slings

£1.95 Reg. £1.95
In stock,
delivery time 3-5 days
black
-0% New
12 mm Dynex Daisy Chain 115 cm Black Diamond

12 mm Dynex Daisy Chain 115 cm

Light Daisy Chain with flat profile

£30.95 Reg. £30.95
In stock,
delivery time 3-5 days
up to -24% New
Rap Line 6mm Aramid Edelrid

Rap Line 6mm Aramid

Robust Aramid rap line

From £81.95 Reg. £107.95
In stock,
delivery time 3-5 days
30m 40m 50m 60m
-11% New
Ring Dyneema Grivel

Ring Dyneema

Durable Dyneema sling

£7.95 Reg. £8.95
In stock,
delivery time 3-5 days
60CM
-0% New
Logo Sling 26/16mm 12cm Express-Sling Edelrid

Logo Sling 26/16mm 12cm Express-Sling

Robust sport climbing Express sling

£5.95 Reg. £5.95
In stock,
delivery time 3-5 days
12CM
-0% New
Anchor Chain Sling Metolius

Anchor Chain Sling

Versatile sling for anchors

£66.95 Reg. £66.95
In stock,
delivery time 3-5 days
-7% New
SML Dyneema Sling Grivel

SML Dyneema Sling

Light 3 loop sling

£12.95 Reg. £13.95
In stock,
delivery time 3-5 days
-9% New
Chain Twin 125cm Grivel

Chain Twin 125cm

Durable sling for outdoor climbing

£40.95 Reg. £44.95
In stock,
delivery time 3-5 days
-10% New
Belay Grivel Chain Grivel

Belay Grivel Chain

Durable sling for climbing

£44.95 Reg. £49.95
In stock,
delivery time 3-5 days
145CM
-17% New
Dyneema Sling Wide 13cm Pack of 5 Grivel

Dyneema Sling Wide 13cm Pack of 5

5 wide & string slings for QDs

£18.95 Reg. £22.95
In stock,
delivery time 3-5 days
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