Preparing Mandatory Gear So You Pass the Check First Time

One item missing, no start

Beginner · About 5 min read · Updated 2026-09-28 · Race Prep

Mandatory gear is the minimum safety kit written into the organiser's official rules. It is "must carry", not "recommended". The consequence of missing an item is simple: caught at the pre-start check, you do not start; caught in a random check during the race, you typically get a time penalty and must make the kit complete before continuing.

Why the list is different for every race

The list follows the organiser's judgement of four variables: distance, altitude, the weather window on race day, and how reachable rescue is. So even two races from the same organiser can have lists that differ by years of accumulated lessons. Copying the list from your last race is the most common rookie mistake.

• Short, low-altitude races: sometimes just a flask, a phone and an emergency blanket.
• Mid and long distances: add a hooded waterproof jacket, headlamp, whistle, first-aid blanket and energy food.
• High altitude / long distance / night sections: add an insulated layer, waterproof trousers, insulated gloves, a hat and a second light source.

The three items that fail inspection most often

1. 1
   Waterproof jacket: water-repellent is not waterproof"Windbreakers", "softshells" and "water-repellent jackets" all fail — they have no waterproof membrane. The rules require waterproof + hooded, usually with a stated minimum water-column rating. Checks typically look for: a hood, taped seams, and a sufficient rating.
2. 2
   Headlamp: usually "two light sources"Many rules read "2 light sources + spare batteries". Note: sources, not lamps — a headlamp plus a small hand torch counts as two. Carry enough spare batteries for a full night, not a token set.
3. 3
   Emergency blanket: there is a size requirementA common spec is "at least 1.3 m × 2.1 m". The cheap thin blankets sold online are often undersized and tear instantly. Check the numbers before you buy.

When checks actually happen

• At bib pickup / check-in: some races check here and tag your pack once you pass.
• Before the start: the strictest variant — every item comes out of the bag.
• Random checks during the race: increasingly the norm, especially at aid stations. Which means: you cannot hand the kit to the drop bag after clearing the start check.
• At the finish: a few races check, to prove you carried it the whole way.

How to get ready in one day

1. Open the race page's gear section and read the mandatory list for your category (lists can differ between categories).
2. Lay out everything you already own on a bed, match it against the list item by item, and turn the gaps into a shopping list.
3. Wear the full kit once and climb a few flights of stairs: confirm the pack fits everything and the layers do not restrict your arm swing.
4. Pack the easily forgotten small items in one zip bag: whistle, emergency blanket, spare batteries, salt tablets, plasters. On race morning you only grab one bag.
5. Do one complete gear audit a week before the race — never for the first time on race morning.

This article covers general practice. For the race you actually enter, the organiser's rules and on-site check list prevail — even the same race in the same year can add gear at short notice.