GutsMuths-Rennsteiglauf 2027
Mandatory gear
The GutsMuths-Rennsteiglauf organisation requires you to carry this gear during the race. Non-compliance may result in time penalties or disqualification. Always check the official rules before the race, as the list may change between editions.
Mandatory gear — GutsMuths-Rennsteiglauf
| Item | Notes | Qty | Distances |
|---|---|---|---|
✓ vaso reutilizable | Recommended for the aid stations, famous for their oat soup and beer | 1 | All distances |
Which vest do you need for GutsMuths-Rennsteiglauf?
With 73.9 km on the longest distance and this mandatory gear list, you need a 10-12 L vest. These are our picks:
💡Tip: check your gear several days before the race. Never use anything new on race day.
Recommended products to meet mandatory gear requirements
Salomon
MandatorySalomon Soft Flask 250 ml
Collapsible 250 ml soft flask with a high-flow valve and a wide 42 mm mouth for fast refills at aid stations. It shrinks as you drink, fits the front pocket of any vest and weighs just a few grams empty.
Strengths
- +High-flow valve: quick sips without hard biting
- +42 mm mouth, easy to refill and to drop in ice or tablets
- +Folds down to almost nothing when empty
Watch out for
- −Pricier than generic Amazon flasks
- −The valve can drip slightly if not fully closed
Hoka
Hoka Speedgoat 7
The best-selling trail shoe in the US and an absolute ultra-trail classic. Max Hoka cushioning, a Vibram Megagrip outsole with 5 mm lugs for grip in mud and technical terrain, and a snug Matryx upper. Built to eat up kilometres without punishing your legs in long races.
Strengths
- +Max Hoka cushioning: protects your legs over long distances
- +Vibram Megagrip outsole with 5 mm lugs: reliable grip in mud and rock
- +Snug, lightweight Matryx upper
- +The most battle-tested model in ultra trail running worldwide
Watch out for
- −High stack: less stable for those who want more ground feel
- −Toe box a bit narrow for wide feet
Brooks
Brooks Cascadia 18
An all-terrain trail classic: stable, protective and reliable on any ground thanks to its pivot system that adapts the foot to the terrain. Balanced cushioning for medium and long distances.
Strengths
- +Excellent stability and protection on uneven terrain
- +Robust, durable build
- +Versatile for medium and long distances
Watch out for
- −Slightly heavy versus more dynamic models
- −Firm ride, less cushioned than some rivals
Saucony
Saucony Peregrine 16
The all-round trail shoe par excellence, with excellent reviews across every type of runner. PWRTRAC outsole with 5 mm lugs for grip on mixed and technical terrain, balanced PWRRUN cushioning, and rock-plate protection depending on the version. The perfect middle ground between responsiveness and protection.
Strengths
- +Extremely versatile: suits almost any terrain and distance
- +PWRTRAC outsole with 5 mm lugs: reliable grip on technical ground and mud
- +Balanced cushioning, neither too soft nor too firm
- +Excellent reviews from the trail community across all runner types
Watch out for
- −Not a specialist in anything specific: if you want an extreme (barefoot or maximalist) look elsewhere
- −Average outsole durability on very abrasive rock
Leki
Leki Ultratrail FX.One Superlite
The lightest version of the Ultratrail FX.One: 100% carbon foldable pole, fixed length, with a short Aerogon grip (no extension) and a Shark mesh strap. Around 130 g per pole, one of the lightest race poles on the market. Built for vertical kilometre races and short mountain races.
Strengths
- +Minimal weight: ~130 g per pole, a benchmark for short and vertical races
- +100% carbon and Leki build quality
- +Lightweight Shark mesh strap with quick release
- +Compact fold for carrying in a small vest
Watch out for
- −Short grip with no extension: worse on rolling terrain than the standard FX.One
- −Fixed length, no adjustment
- −Pricey given how little versatility it offers outside racing
Salomon
Salomon ADV Skin 12
Chaleco de hidratación de 12 litros con sistema SensiFit. Dos soft flasks frontales de 500 ml incluidas. Bolsillos de fácil acceso y ajuste ceñido sin rebotes.
View on Amazon(se abre en una pestaña nueva)
Salomon
Salomon Bonatti WP
Chaqueta cortavientos impermeable ultraligera (135 g). Costuras selladas, capucha ajustable y ventilación trasera. Se pliega en su propio bolsillo.
View on Amazon(se abre en una pestaña nueva)
Petzl
Petzl Actik Core
Frontal recargable de 600 lúmenes con batería Core incluida. Compatible con pilas AAA. Modo rojo para preservar la visión nocturna. Ideal para ultras con tramos nocturnos.
View on Amazon(se abre en una pestaña nueva)
Compressport
Compressport Pro Racing Socks V3.0 Trail
Non-toe trail sock, Compressport's all-rounder reference. Reinforced instep fabric and ankle-specific mesh for stability on rocky terrain, cushioned sole with 3D dots that boost circulation and absorb impact, plus 360° arch support to prevent blisters and irritation over long distances.
Strengths
- +Seamless construction: reduces friction and unwanted pressure points
- +Ankle-specific mesh for stability on rocky terrain
- +Cushioned sole with 3D dots that absorb impact
- +360° arch support that prevents blisters over long distances
Watch out for
- −Lower rating than other options in the comparison
- −Pricier than a basic trail sock
Buying guides to choose well
Want to know more? Read our complete guide to mandatory gear for ultra trail.
Similar races
Brocken-Challenge
Göttingen
13 February 2027: 80 km and +1,900 m from Göttingen to the snowy Brocken summit. Places by application, 1-7 November.
LOWA Ultratrail Fränkische Schweiz
Ebermannstadt
23-24 April 2027: 100 km and +3,930 m among Franconia's limestone and castles. Registration from 6 October 2026.
Ultra Trail Moncayo
Añón de Moncayo
70K and 3,850 m of climbing to the roof of the Iberian System, in the Moncayo Natural Park