How to Watch the 2025 Men’s IRONMAN World Championship in Nice
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by USA Triathlon
Sam Long races at the 2025 IRONMAN 70.3 Lake Placid North American Championship.
COLORADO SPRINGS, Colo. — More than 2,500 male athletes from around the world, including a strong contingent from the United States, will line up in Nice, France, for the 2025 Men’s IRONMAN World Championship on Sunday, Sept. 14.
Age group athletes representing 86 countries, regions, and territories are registered to race, showcasing the global depth and diversity in long-course triathlon.
Competitors will face a challenging 2.4-mile swim in the Baie des Agnes, followed by a 112-mile bike ride on one of the most scenic and technical courses in the sport. Athletes will conclude the race with a four-lap, 26.2-mile run along the Promenade des Anglais.
The U.S. leads all nations in participation, with over 500 registered athletes, including 76-year-old Richard Burgess (Lincoln, Calif.), the field’s oldest competitor. Host country France, along with Germany, the United Kingdom, and Australia round out the top five most represented countries.
The U.S. is well represented in the professional men’s field, led by Rudy Von Berg (Columbus, Ga.) and Matthew Marquardt (Cincinnati, Ohio). Marquardt, a rising elite triathlete, currently sits second in the IRONMAN Pro Series standings—all while pursuing his medical degree at The Ohio State University College of Medicine. Von Berg returns to Nice after a third-place podium finish at the 2024 IRONMAN World Championship and is set for another strong performance on the Côte d’Azur.
Joining them is veteran Matt Hanson (West Concord, Minn.), fan favorite Sam Long (Boulder, Colo.), Jason West (Philadelphia, Pa.), and Chris Leiferman (Truman, Minn.), all bringing deep experience and podium potential to the field.
Live race day coverage will be available for U.S. and Canadian viewers on Outside TV and will begin at 5:15 a.m. CEST. The race will also be broadcasted for free across multiple platforms for global viewers including proseries.ironman.com, DAZN, and YouTube, as well as L’Équipe in France, ZDF in Germany, ESPN (within Disney+) in Latin America and the Caribbean, and iQIYI in China, among others.
Fans can also follow along on social media at @ironmantri for a behind-the-scenes look.
About the IRONMAN World Championship
On February 18, 1978, 15 competitors came to the shores of Waikiki, Hawai`i to take on the first-ever IRONMAN® triathlon. It was an idea hatched by John Collins, a Naval Officer stationed in Hawai`i, and his wife Judy during a swim club gathering. Collins' proposal was a friendly test of fitness combining the three toughest endurance races on Oahu into one race: The 2.4-mile Waikiki Rough-water Swim, the 112-mile Around-Oahu Bike Race, followed by a 26.2-mile run on the Honolulu Marathon course. That first race would set the stage for what IRONMAN triathlon would become: the most-challenging single-day sporting event in the world, and a brand symbolizing the belief that "ANYTHING IS POSSIBLE®.” Since its inception in 1978 on the Island of O`ahu and continued history in Kona on the Island of Hawai`i with recent stops in St. George, Utah and Nice, France, the IRONMAN World Championship® triathlon has etched its name in history through historic performances, inspiring athletes, and a lifetime of memories that define the sport of triathlon today. The IRONMAN World Championship remains the most iconic single-day endurance sporting event in the world and is the culmination of 40 global IRONMAN events with over 94,000 athletes around the world striving for one of the coveted qualifying slots of any sporting event in the world. For more information, visit www.ironman.com/races/im-world-championship.
About The IRONMAN Group
The IRONMAN Group is the world’s largest operator of participation sports with a portfolio of brands, events, media, partners, merchandise, and digital platforms operating in over 50 countries worldwide. A global portfolio consisting of hundreds of events includes the IRONMAN® Triathlon Series, the IRONMAN® 70.3® Triathlon Series, 5150® Triathlon Series, IRONKIDS®, premier running events including the Rock ‘n’ Roll® Running Series, the Standard Chartered Singapore Marathon™ and City2Surf®, the UTMB® World Series of trail running, the Epic Series™ of mountain biking including the Absa Cape Epic®, and a collection of road cycling and other multisport races. Since the inception of the iconic IRONMAN® brand and its first event in 1978, millions of athletes have proven that ANYTHING IS POSSIBLE® by crossing finish lines around the world. From its beginnings as a single race among friends in Hawai’i, The IRONMAN Group has become a global sensation and collection of high-growth lifestyle brands that inspire people to unlock their potential in life. For more information, visit www.ironman.com/about/ironman-group.
About USA Triathlon
USA Triathlon is proud to serve as the National Governing Body for triathlon, as well as duathlon, aquathlon, aquabike, winter triathlon, off-road triathlon, paratriathlon, and indoor and virtual multisport events in the United States. Founded in 1982, USA Triathlon sanctions more than 3,500 events and races and connects with and supports more than 300,000 unique active members each year, making it the largest multisport organization in the world. In addition to its work at the grassroots level with athletes, coaches, and race directors — as well as the USA Triathlon Foundation — USA Triathlon provides leadership and support to elite athletes competing at international events, including World Triathlon World Championships, Pan American Games and the Olympic and Paralympic Games.
