Summer 2025 in Chamonix is shaping up to be a vibrant season of sport, music, and mountain adventure. Whether you’re tackling a new trail, soaking up live music in the alpine air, or joining the festivities with the family, there’s something for everyone. Here’s what’s on—and where to stay with Chamonix All Year so you can be at the heart of it all.
Major Sporting Events
Chamonix Mountain Running Festival| 6–8 June
A weekend of trail running inspiration! From masterclasses and clinics to evening talks with international athletes, the festival blends passion, expertise, and community. Highlights include the Festival Opening & Apéro with athlete panel, a talk by Katarzyna Solińska (6th female at UTMB), and Sunday’s Fest Run & Breakfast with Patagonia Chamonix. Festival Basecamp: Plan B Hotel. You can register for individual events or go all in with the Unlimited Fest Pass!
Where to stay: Chamois Apartment, Rupicapra Apartment
Marathon du Mont-Blanc | 26–29 June
The Marathon du Mont-Blanc is a premier trail running event held annually in Chamonix, attracting over 10,000 runners from around the world. Spanning four days, the event features eight races, including the challenging 90km ultra-trail, the classic 42km marathon, shorter distances like the 23km and 10km, the vertical kilometre, and family-friendly events such as the Mini Cross and The Young Race . In 2025, the organisers are emphasising sustainability by reserving 40% of race entries for participants who commit to traveling by train or bus, and requiring all runners to offset their travel-related carbon emissions.
Stay close to the action: Le Bartavel Apartment, Le Majestic 76, Le Majestic 145, Miremont Apartment, La Saleina Apartment.
Arc’teryx Alpine Academy | 3–6 July
The Arc’teryx Alpine Academy returns to Chamonix from July 3 to 6, 2025, for its 14th edition. This premier mountain education event offers over 80 clinics led by more than 150 certified mountain guides and over 40 elite athletes, covering disciplines such as mountaineering, climbing, bouldering, trail running, and photography. Centered around Parc Couttet, the Alpine Village hosts free activities including film premieres, live music, gear demos, and sustainability workshops, creating a vibrant hub for mountain enthusiasts of all levels.
Where to stay: La Belle Époque Apartment and Lou Lou Apartment
Argentrail | 20 July
The Argentrail is a trail running race held in the stunning Mont Blanc region, with routes that showcase the natural beauty of the Argentière area. Runners can choose from several distances, from the challenging 27km trail to the more accessible 15km and a shorter 8km course, making it a great event for all levels. The race is known for its friendly atmosphere, exceptional organisation, and breathtaking alpine views along the routes. Starting and finishing in Argentière, the event welcomes both competitive runners and those seeking a scenic challenge.
Make a weekend of it by staying nearby: La Belle Époque Apartment or Ginabelle 14 are both great options just a short bus or train drive from the starting line.
Climbing World Cup | 11–13 July
Chamonix once again hosts a stage of the IFSC Climbing World Cup, drawing the world’s best climbers to compete in the Lead and Speed disciplines. Set against the dramatic backdrop of the Mont Blanc massif, the event takes place in the heart of town, creating an electric atmosphere with crowds gathering to watch the action unfold. Whether you’re a climbing enthusiast or just love high-energy events, this is one of the summer’s highlights. The event is free to attend, with qualifications and finals spanning over three days.
For a front-row experience and easy access, stay in central Chamonix at Ginabelle 8, Mont Blanc 98, Mont Blanc 212 or right beside the action at Alpine Museum Apartment.
UltraMontée des Posettes | 15 August
The UltraMontée des Posettes is a unique uphill-only trail race in the Chamonix valley, where runners take on the same climb multiple times within a set time limit. Starting from the picturesque village of Vallorcine, the course ascends 500m over 3km to the summit of Les Posettes, with breathtaking views of Mont Blanc and the Aiguilles Rouges. The goal is simple but tough: complete as many ascents as possible in two, four or six hours. It’s a festive, high-energy event perfect for both seasoned trail runners and mountain lovers.
Recover in comfort at La Belle Epoque Apartment or Ginabelle 14.
Ultra-Trail du Mont-Blanc (UTMB) | 25 – 31 August
The UTMB is the pinnacle of trail running, drawing elite athletes and passionate runners from around the globe to Chamonix for a week-long celebration of endurance and mountain adventure. With several races ranging from 15km to the legendary 171km around Mont Blanc, it’s a festival of grit, community, and breathtaking scenery. The atmosphere in town is electric, with live coverage, cheering crowds, and a vibrant expo. Whether you’re racing, supporting, or just soaking it all in, UTMB week is unforgettable.
Secure your town centre stay early—accommodation books fast during UTMB week. Be at the heart of the action with a stay at Concordia 7, Lutetia, Lou Lou, Pothecary Apartment, Residence des Alpes 302, Balmat Apartment, Neige Apartment or Le Beausite C.
Trail des Aiguilles Rouges (TAR) | 28 September
The Trail des Aiguilles Rouges is a demanding yet rewarding race that showcases the raw beauty of the Chamonix valley in autumn. Known for its technical terrain, steep climbs, and panoramic views, the 50km course with 4,000m of elevation gain attracts experienced trail runners ready to take on a true alpine challenge. The event also includes shorter distances, making it accessible to a broader range of runners. With its community spirit and breathtaking route through the Aiguilles Rouges nature reserve, it’s a must-do for mountain trail enthusiasts.
Rest and recharge after the race at Les Balcons du Savoy 104, Les Sonnailles, Le Soleil Apartment, Chamois Apartment, Le Paradis residence, Villa Vallet, Le Brevent Apartment or Le Brevent 2 Apartment.
Cultural & Music Festivals
Chamonix Film Festival | 10 – 15 June
The Chamonix Film Festival celebrates its 5th edition with a vibrant programme of mountain cinema, adventure, and culture. This year features 18 films, including 14 French premieres, screened at the historic Cinéma Vox and open-air sessions in Parc Couttet. New for 2025: daily ciné-débats exploring themes like ecology, mental health, and inclusion, plus the return of the Montagne Sociale & Solidaire Day. Festival patron Benjamin Védrines and special guest Alain Robert (“The French Spiderman”) headline a week of screenings, talks, and mountain outings.
Fête de la Musique | 20 – 22 June
Chamonix embraces the nationwide celebration of Fête de la Musique with a vibrant weekend of live music and performances in the streets, bars, and squares of town. From local bands to international artists, expect a diverse mix of genres and an electric atmosphere throughout Chamonix and Argentière. This year, the festivities also include the Big Mountain Basecamp – making it an unmissable cultural kick-off to summer.
Stay right in the buzz of it all at Le Bartavel, Concordia 7, Le Majestic 76, La Saleina, Miremont Apartment, Lutetia, Lou Lou, La Belle Epoque, Le Paradis apartments, Villa Vallet, Pothecary Apartment.
Cosmo Jazz Festival | 22–27 July
The Cosmo Jazz Festival brings an extraordinary mix of live music and alpine scenery to Chamonix and the surrounding mountains. Performances take place in open-air venues at altitude and in the heart of town, creating magical moments where jazz meets nature. The festival celebrates creativity, spontaneity, and cultural exchange, with artists from around the world playing everything from traditional jazz to experimental sounds. It’s a soulful, high-altitude celebration not to be missed.
Enjoy the music and mountain views with a stay at La Belle Epoque Apartment or Lou Lou Apartment.
Fête des Guides | mid August
A cherished tradition in the Chamonix valley, the Fête des Guides celebrates the legacy and courage of the mountain guides who have shaped the region’s alpine culture. Organised by the Compagnie des Guides de Chamonix, the event features climbing demonstrations, concerts, a festive market, and a moving tribute to those lost in the mountains. The highlight is the dramatic sound and light show held at the base of Les Gaillands. Proceeds from the festivities go to supporting the families of injured or deceased guides, making it a meaningful and memorable event.
Be part of the celebration and stay close by at Chalet Montana, Chalet Gloribel, Le Bartavel, Concordia 7, Le Majestic 76, La Saleina, Miremont Apartment or Lutetia.
Stay in the Heart of It All
Every event on this list takes place in or around Chamonix town—making it the perfect base for your summer stay. At Chamonix All Year, we offer a wide range of self-catered apartments and chalets in the town centre, so you’re never far from the action.
👉 Browse our Chamonix accommodation and start planning your 2025 summer getaway.
Want to stay in the loop and catch every must-see event? Head to the Chamonix Tourist Office website!
