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Everything You Need to Know About UTMB and the Biggest Weekend in Trail Running

Standing at the base of Mont Blanc, the highest peak in the Alps, is an awe-inspiring moment. The mountain, known for its towering presence, serves as the backdrop for the Ultra-Trail du Mont-Blanc (UTMB), where thousands of trail runners gather each year. This isn’t just any race; it’s a formidable test of endurance that challenges runners to push their limits. The UTMB is about more than just running; it’s about surviving one of the most gruelling endurance events in the world.

Race Options: From Epic to Awesome

The UTMB offers several race options, each with its own unique challenges. The main event, UTMB, is a 171-kilometre loop around Mont Blanc, known for its brutal climbs and stunning alpine views. The UTMB is often regarded as the pinnacle of trail running, drawing athletes from across the globe. The race course circles the entire Mont Blanc massif, taking runners through France, Italy, and Switzerland. With 10,000 meters of elevation gain—equivalent to climbing Mount Everest twice—the UTMB demands more than just physical fitness; it requires mental toughness and resilience. The race is known for its diverse and challenging terrain, which includes steep climbs, rocky descents, and unpredictable weather conditions. But beyond the physical demands, it’s the sense of community and the breathtaking scenery that truly make UTMB a bucket-list event for trail runners.

The CCC (Courmayeur-Champex-Chamonix) offers a shorter, yet still demanding, 100-kilometre course that begins in Italy and ends in Chamonix. The TDS (Sur les Traces des Ducs de Savoie) is a 145-kilometre race that takes runners through more remote and rugged terrain, offering a wilder, more technical experience. The OCC (Orsières-Champex-Chamonix) is a 55-kilometre race designed for those newer to ultra-trail running but still offers significant challenges with 3,500 meters of elevation gain. Finally, the PTL (Petite Trotte à Léon) is a 300-kilometre team event that requires navigation through unmarked trails, making it more of an expedition than a race.

Top Contenders

This year’s UTMB promises fierce competition among top-ranked athletes. Jim Walmsley from the U.S. is a strong favorite, known for his relentless pace and determination. Hannes Namberger of Germany has also emerged as a top contender with his recent impressive performances. France’s Mathieu Blanchard is another athlete to watch, bringing his extensive experience and strategic racing to the event. The UK’s Tom Evans, known for his strong finishes and tactical prowess, is expected to be a key player in this year’s race. These athletes, along with others, will be pushing each other to the limit, making for an exciting and unpredictable race.

The upcoming race features an elite lineup of female athletes poised to make waves. Katie Schide from The North Face is a standout from the United States, bringing exceptional form and experience to the field. China’s Fuzhao Xiang, representing HOKA, is also a key competitor with impressive credentials. Hungary’s Eszter Csillag, running for HOKA – T8, and Emily Hawgood from Zimbabwe’s Adidas Terrex are both strong contenders, each showcasing remarkable endurance. Ragna Debats from the Netherlands and Fiona Pascall from the United Kingdom are both seasoned racers, adding significant depth to the competition.

Earlier this year, elite ultra runners Kilian Jornet (pictured below winning UTMB in 2022) and Zach Miller announced a boycott of the 2024 Ultra-Trail du Mont-Blanc (UTMB), citing concerns over its management practices.

Killian Jornet, UTMB boycott
UTMB legen Killian Jornet will not race in 2024

Canadian Contingent

Leading the way for the Canuck women is Marianne Hogan, currently ranked 10 coming off a win at the Swiss Canyon Ultra Trail 111K race in June. She went into that race ranked 12th and ended up crushing it for the victory. Also in the mix is Genevieve Asselin-Demers, who recently topped the podium at Quebec Mega Trail.

For the men, although Mathieu Blanchard, who is sitting in the third spot in the ranking behind Jim Walmsley, is listing his native country as France. But he has spent enough time living in Canada that we can cheer him on. Christian Meier is also ranked 24th. Meier has raced in a number of events across Europe this year culminating in a season best first place finish at Millet XTrail Courchevel 2024.

The Road to the Starting Line

To qualify for the UTMB World Series Finals in Chamonix, runners must collect these points or ‘stones’ by participating in other UTMB World Series events throughout the year. This points system has redefined how athletes approach the sport, with some strategically planning their race calendars to accumulate the necessary stones for a shot at the prestigious final event. The system has also fostered a sense of camaraderie among participants, as runners from around the world share their journeys to Chamonix, creating a global community of UTMB aspirants.

Gear Up

Preparation for UTMB extends beyond physical training—it requires meticulous attention to gear. The race demands high-quality, reliable equipment to endure the harsh and variable conditions of the Alps. Runners must carry waterproof jackets, thermal layers, and trail shoes designed for extreme grip on slippery, rocky paths. Each piece of gear is crucial for navigating the race’s challenging terrain, where weather can shift from intense heat to freezing cold in a matter of hours. Nutrition is equally important; with the body burning thousands of calories over the course of the race, runners must carefully plan their intake of energy gels, bars, and other sustenance. The right gear can make the difference between finishing strong and falling short.

Race Day

Race day at UTMB is a spectacle like no other. The streets of Chamonix are filled with anticipation as thousands of runners line up at the start, their nerves and excitement palpable. The clock starts, and the runners begin their epic journey through some of the most challenging and beautiful landscapes on Earth. Pacing is critical; with 171 kilometres ahead, runners must manage their energy carefully, knowing that the hardest climbs and most technical sections are still to come. The race is as much about mental endurance as it is about physical stamina, with many runners facing moments of doubt and fatigue. The nighttime sections, illuminated only by headlamps, bring an additional layer of challenge, as the darkness compresses the world into the small pool of light ahead, making the trail feel even more isolating and daunting.

Join the Festivities

For those not running, UTMB week in Chamonix is a celebration of the sport and the spirit of adventure. The town transforms into a vibrant festival, with live coverage of the race, big screens displaying the action, and countless opportunities to cheer on the runners as they pass through. Spectators play a vital role, providing encouragement and support that can make all the difference to the athletes as they push through their physical and mental barriers. Whether you’re ringing a cowbell at the finish line or watching the runners battle the elements at an aid station, the energy and excitement are contagious, making UTMB a must-experience event for anyone passionate about trail running.

The UTMB Experience

UTMB is more than just a race; it’s a profound journey that tests the limits of human endurance and spirit. The experience of running through three countries, battling extreme conditions, and sharing the trail with like-minded athletes from around the world is unparalleled. It’s an event that leaves a lasting impact, not just in the memories of the participants, but also in the community of Chamonix and the global trail running community. Whether you’re running, crewing, or spectating, the UTMB experience is one of camaraderie, challenge, and celebration. For many, it’s a defining moment in their running careers—a testament to their resilience, determination, and love for the mountains.

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