
Reventón Trail 2027
Mandatory gear
The Reventón Trail 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.
The emergency kit for Reventón Trail: 3 pieces and done
These 3 pieces cover the race safety gear. Together they cost €130.84 and take a minute to buy; the rest of the list is explained below.
Prices may vary. Check the store for the current price.
Buy it with
Not included in the box: spares and accessories you'll end up needing once the race gets long.

MARLOAR
MARLOAR Soft Flask 500 ml (Pack of 2)
Two-pack of 500 ml BPA-free silicone soft flasks for running, trail, cycling and hiking. Wide mouth for fast refills, they collapse as you drink, and the per-bottle price is a fraction of the branded ones, so you can rotate and replace them without a second thought.

Salomon
Salomon 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.
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Mandatory gear — Reventón Trail
| Item | Notes | Qty | Distances |
|---|---|---|---|
✓ Headlamp Petzl Actik Core View on Amazon →(opens in a new tab) | Mandatory for the Ultra and Subida a las Estrellas (night race) | 1 | Ultra TrailSubida a las Estrellas |
✓ Windproof jacket Salomon Bonatti WP View on Amazon →(opens in a new tab) | Summits exceed 1,900m with frequent wind | 1 | All distances |
✓ Emergency blanket Lifesystems Thermal Blanket View on Amazon →(opens in a new tab) | — | 1 | All distances |
✓ Emergency whistle Fox 40 Classic View on Amazon →(opens in a new tab) | — | 1 | All distances |
✓ Charged mobile phone Running Waist Pack with Phone Pocket View on Amazon →(opens in a new tab) | With enough battery to last the entire race | 1 | All distances |
✓ Reusable cup Salomon Soft Flask 250 ml View on Amazon →(opens in a new tab) | Cup or soft flask mandatory at aid stations | 1 | All distances |
Which vest do you need for Reventón Trail?
With 70.5 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

Petzl
MandatoryPetzl Actik Core
Rechargeable 600-lumen headlamp with the Core battery included. Compatible with AAA batteries. Red mode to preserve night vision. Ideal for ultras with night sections.
View on Amazon(opens in a new tab)
Salomon
MandatorySalomon Bonatti WP
Ultralight waterproof windproof jacket (135 g). Taped seams, adjustable hood and back ventilation. Packs into its own pocket.
View on Amazon(opens in a new tab)
Lifesystems
MandatoryLifesystems Thermal Blanket
Reflective emergency thermal blanket. Retains 90% of body heat. Ultralight (60 g) and compact, it fits in any trail pack.
View on Amazon(opens in a new tab)
Fox 40
MandatoryFox 40 Classic
Emergency whistle with no internal part; works when wet and muddy. 115 dB sound audible from far away. The standard in mountain races.
View on Amazon(opens in a new tab)
Generic
MandatoryRunning Waist Pack with Phone Pocket
Lightweight running belt with phone compartment and transparent touchscreen window. Quick access to GPS and track without stopping. Adjustable, breathable and bounce-free. Ideal for trail running and hiking.
View on Amazon(opens in a new tab)
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

Salomon
Salomon Speedcross 6
Salomon's most versatile trail shoe, ideal for technical terrain and mud. Exceptional grip with Contagrip sole and EnergyCell+ cushioning.
Strengths
- +Exceptional grip in mud and technical terrain
- +Reinforced toe protection
- +Comfortable and quick Quicklace system
- +Efficient water drainage
Watch out for
- −Average durability on pavement
- −Somewhat narrow fit for wide feet
Buying guides to choose well
Want to know more? Read our complete guide to mandatory gear for ultra trail.
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