Trail Castell de Serra 2026
Mandatory gear
The Trail Castell de Serra 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 Trail Castell de Serra: 3 pieces and done
These 3 pieces cover the race safety gear. Together they cost €95.98 and take a minute to buy; the rest of the list is explained below.
Prices may vary. Check the store for the current price.
Mandatory gear — Trail Castell de Serra
| Item | Notes | Qty | Distances |
|---|---|---|---|
✓ Water reserve  MARLOAR Soft Flask 500 ml (Pack of 2) View on Amazon →(opens in a new tab) | Mandatory in all three formats, checked at the start | 1 | All distances |
✓ Headlamp  Petzl Actik Core View on Amazon →(opens in a new tab) | Mandatory for the Trail format (32K) due to the 06:30 start, still in darkness | 1 | All distances |
✓ Visible bib | Worn on the chest throughout the race | 1 | All distances |
Which vest do you need for Trail Castell de Serra?
With 32 km on the longest distance and this mandatory gear list, you need a 8-10 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
MARLOAR
MandatoryMARLOAR 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.
Strengths
- +Two units for the price of one branded flask
- +500 ml: cover a long run without refilling as often
- +BPA-free silicone, dishwasher safe
Watch out for
- −Silicone is heavier and tastes slightly more than branded TPU flasks
- −Lower valve flow: a bit harder to drink on a climb
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
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
Salomon
Salomon ADV Skin 12
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(opens in a new tab)
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.
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 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)Buying guides to choose well
Want to know more? Read our complete guide to mandatory gear for ultra trail.
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