Ultra Trail Bosques del Sur 2027

Mandatory gear

6 items70km · 3,700m D+5 distances

The Ultra Trail Bosques del Sur 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 Ultra Trail Bosques del Sur: 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.

LifesystemsLifesystems Thermal Blanket8,99 €View on Amazon

Fox 40Fox 40 Classic11,88 €View on Amazon

SalomonSalomon Bonatti WP109,97 €View on Amazon

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.

11,99 €View on Amazon →

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.

View on Amazon →

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Mandatory gear — Ultra Trail Bosques del Sur

Item	Notes	Qty	Distances
✓ Headlamp Petzl Actik Core View on Amazon →(opens in a new tab)	Mandatory for the Ultra, starts at 7:00 AM with midnight cutoff	1	Ultra 70K
✓ Windproof jacket Salomon Bonatti WP View on Amazon →(opens in a new tab)	Essential at higher elevations in the park	1	All distances
✓ Emergency whistle Fox 40 Classic View on Amazon →(opens in a new tab)	—	1	All distances
✓ Emergency blanket Lifesystems Thermal Blanket View on Amazon →(opens in a new tab)	—	1	All distances
✓ Hydration vest Salomon ADV Skin 12 View on Amazon →(opens in a new tab)	Minimum 1L capacity	1	All distances
✓ Charged mobile phone Running Waist Pack with Phone Pocket View on Amazon →(opens in a new tab)	With sufficient battery and emergency numbers saved	1	All distances

Which vest do you need for Ultra Trail Bosques del Sur?

With 70 km on the longest distance and this mandatory gear list, you need a 10-12 L vest. These are our picks:

Our pick

Salomon ADV Skin 12 SetView on Amazon

Ultimate Direction Ultra Vest 12LView on Amazon

AONIJIE Hydration Pack 10LView on Amazon

See the full trail running vest comparison →

💡Tip: check your gear several days before the race. Never use anything new on race day.

12-litre hydration vest with SensiFit system. Two 500 ml front soft flasks included. Easy-access pockets and a close, bounce-free fit.

View on Amazon

Generic

Mandatory

Running 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