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The Cimalp Blog

The Cimalp Blog

663 articles
Prairie verte et montagnes de l'Atlas marocain sous ciel bleu

Trekking in the Moroccan Atlas: how to prepare your adventure

04 Sep. 2026

Vue aérienne d'une calanque entre falaises rocheuses, parc national des Calanques

Hiking in the Calanques de Marseille: the complete guide

21 Jul. 2026

Coureurs attendant assis dans le sas avant le départ de l'UTMB

How to Register for the UTMB®

If you want to get started with the UTMB® registration process, you need to understand how it works and what phases it involves. Here's the essential information you need to...

21 Jul. 2026

Sas de départ dense de l'UTMB à Chamonix

The key rules of the UTMB®

If you wish to register for the UTMB®, you must of course accept its regulations and therefore have a basic understanding of them. You can of course consult them directly on the event's website or...

20 Jul. 2026

Coureur Cimalp avec bâtons face aux montagnes sur l'UTMB

UTMB® Records

UTMB® records: fastest times, most wins, youngest winners. Why the fastest time in history is not always the official record.

20 Jul. 2026

Coureur de l'UTMB sur un sentier exposé au pied d'une paroi rocheuse

Accidents and UTMB®

In itself, there are few accidents across the entire history of the UTMB®, but it is the whole trail environment in the mountains that is often a factor in accidents, whether during training or on free-route...

17 Jul. 2026

Tapis d'arrivée de l'UTMB dans les rues de Chamonix

The history of the UTMB®, from 2003 to today

The UTMB® is still a young race, but it is the queen of ultra trail and its history has already made this event a legend. From records and the roll of honour to its incidents,...

16 Jul. 2026

Coureurs équipés patientant dans le sas de départ de l'UTMB

Preparing your trip to Chamonix for the UTMB®

As part of your preparation to race the UTMB®, the logistics of your trip to Chamonix will be crucial. It needs to be planned well in advance, covering every key area...

15 Jul. 2026

Hameau de montagne dans la vallée face au massif du Mont-Blanc

Accommodation in Chamonix

If you need to find accommodation for the UTMB, you should know that staying in Chamonix can be tricky in the height of summer and during this event, which attracts a huge number of people to the town....

14 Jul. 2026

Affluence dans les rues de Chamonix pendant la semaine de l'UTMB

When should you book accommodation for the UTMB®?

Understanding the popularity of the event: The UTMB is one of the most renowned trail races in the world, attracting runners from over 100 different countries. Chamonix becomes a true...

13 Jul. 2026

Rue commerçante de Chamonix au pied des montagnes enneigées

Accommodation during the UTMB®

One of the important things to do when you plan your travel to Chamonix is obviously to find accommodation during the UTMB® period. This can be a tricky challenge due to...

13 Jul. 2026

Le massif du Mont-Blanc au-dessus de la vallée de Chamonix en été

What to do in Chamonix?

During your stay in Chamonix planned around the UTMB, you will no doubt be looking for activities and things to see. Here are a few suggestions to make the most of your time...

10 Jul. 2026

Le massif du Mont-Blanc et ses glaciers vus depuis la vallée de Chamonix

Getting to Chamonix for UTMB®

Planning your stay in Chamonix for the UTMB® and need to choose your mode of transport to reach the alpine resort? Here are all the options available to...

09 Jul. 2026

Sommet de montagne sous ciel sombre et orageux

Storms while hiking: the right actions to take

09 Jul. 2026

Coureur Cimalp s'échauffant avant un trail en montagne

Trail warm-up: an essential before the race

09 Jul. 2026

Les aiguilles de Chamonix dominées par la lumière du soir

Planning your travel to Chamonix

To prepare for your trip to Chamonix for the UTMB, it's important to plan your travel and logistics carefully. Transport, accommodation and activities on the ground should all be arranged in advance...

09 Jul. 2026

Traileur Cimalp équipé en montagne, t-shirt technique et lunettes

Gearing up for the UTMB®: our expert tips

08 Jul. 2026

Gros plan sur la semelle d'une chaussure de trail en pleine foulée

Choosing your shoes for the UTMB®

As part of preparing your race pack for the UTMB®, the choice of your shoes will be crucial. They are certainly the most important component of your trail runner's kit and...

07 Jul. 2026

Coureur de l'UTMB sur un pierrier au crépuscule

Survival and safety equipment to pack for the UTMB®

Among the essential accessories to pack in your race vest for the UTMB®, all the safety and survival gear that is absolutely necessary for this type of event features prominently....

06 Jul. 2026

Traileur ajustant sa casquette en montagne

Essential accessories to pack for UTMB®

When packing your race bag for the UTMB, there are essential accessories you must not forget to include. Starting with all the survival and safety items...

06 Jul. 2026

Les vêtements imperméables obligatoires pour l'UTMB®

Mandatory Waterproof Clothing for the UTMB®

When building your list of kit to pack for the UTMB, waterproof clothing is a top priority — it must meet the race regulations and your protection needs...

03 Jul. 2026

Deux traileurs en t-shirt technique Cimalp en montagne

The ideal kit for the UTMB®

When putting together your race pack for the UTMB®, clothing plays a major role: it must protect you from a range of weather risks while keeping you comfortable during the...

02 Jul. 2026

Coureur Cimalp au départ de l'UTMB, sac et flasques visibles

Preparing your race bag for the UTMB®

As part of preparing for your trip to Chamonix for the UTMB®, packing your race bag is absolutely crucial. Nothing should be missing to tackle the event in the best possible conditions, starting with...

02 Jul. 2026

Coureur de l'UTMB au ravitaillement de Champex-Lac

Aid stations and nutrition during the UTMB®

Among the aid and support services provided by the UTMB® organisation, the nutrition aid stations are among the most important and should allow you to stick to...

01 Jul. 2026

Traileuse assise sur un rocher pendant une pause ravitaillement

Energy gels and bars for the UTMB®: all our advice

Your nutrition and hydration at the UTMB® will rely on gels and energy bars for solid fuel. Given the huge choice available on the market, it can sometimes be hard to know where to start. Beyond questions of brand and...

30 Jun. 2026

Coureur de trail portant un sac à dos en montagne

Trail vest or trail belt: how to make the right choice?

30 Jun. 2026

Traileuse en débardeur par temps chaud en montagne

Energy drink for the UTMB® — how to choose?

When you decide what nutrition and hydration strategy to adopt for the UTMB®, choosing an isotonic drink is an important decision to make well in advance of the race date. Here is...

29 Jun. 2026

Traileuse buvant à sa flasque sur un rocher

Nutrition and hydration strategy for the UTMB®

When packing your race pack for the UTMB®, don't forget your nutrition and hydration for the event. This part of your kit is absolutely critical and should...

29 Jun. 2026

Coureur de l'UTMB face à une vallée noyée sous la mer de nuages

Gut training for ultra-trail: conditioning your digestive system

As part of a nutrition plan for UTMB® preparation, an important phase will be adapting to a specific diet, maintaining discipline and managing the constraints of race-day fuelling. Getting ready for...

26 Jun. 2026

Deux traileurs Cimalp souriants en montagne

What to eat before an Ultra Trail? - Nutrition in the preceding weeks

The dietary preparation regime for an Ultra Trail will enter a critical phase during the two weeks before the race. This period must be managed carefully and must...

25 Jun. 2026

Traileuse Cimalp dans une prairie fleurie de montagne

Ultra trail diet: preparation for the UTMB®

Your UTMB® training involves not only physical exercise and running sessions, but preparing for the UTMB® also means following a precise, specific diet...

25 Jun. 2026

Traileur face à la vallée, un temps de concentration avant l'effort

Mental preparation for the UTMB®

Preparing for the UTMB® of course involves physical training, but also mental preparation. This will be essential for tackling challenges and giving you the motivation and...

24 Jun. 2026

Coureurs d'ultra-trail passant devant un refuge de montagne

How to nail your ultra-trail preparation?

23 Jun. 2026

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