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Kickstarting the season in the stunning coastal city of Oceanside, California, this race offers a challenging yet scenic course. Athletes will enjoy an ocean swim in the harbor, a rolling bike course through Camp Pendleton, and a thrilling run along the Pacific coastline. Expect a strong pro field and an electrifying atmosphere!

As the North American Championship, IRONMAN Texas in The Woodlands promises a fast and competitive race. With a rolling start swim in Lake Woodlands, a flat and speedy bike course, and a crowd-filled run through the Waterway, this event is a bucket-list race for many.

Set in the historic and breathtaking region of Gallipoli, this race combines triathlon with a deep historical significance. Athletes will navigate the stunning Aegean waters, ride along picturesque coastal roads, and run through the heart of this historic battlefield.

Known as the "Woodstock of Triathlon," Wildflower offers a festival-like atmosphere and a notoriously tough course in Central California. Expect challenging climbs, stunning lake views, and an energetic post-race celebration filled with live music and camaraderie.

One of the most beautiful and competitive races in Europe, this event boasts a crystal-clear Mediterranean swim, a bike course featuring scenic climbs in the Tramuntana Mountains, and a fast and vibrant run along the Alcúdia coastline.

Nestled on Italy’s Adriatic coast, Challenge Cesenatico offers a thrilling course with a sea swim, a dynamic bike leg through rolling countryside, and a fast, flat run along the scenic waterfront.

Held in Samorin, Slovakia, this is one of the most prestigious middle-distance events of the year. The flat and fast course attracts top-level professionals and age-groupers looking for personal bests in a highly competitive setting.

Taking place at the home of Quintana Roo, IRONMAN Chattanooga offers a downriver swim, a rolling bike course through stunning Tennessee countryside, and a spectator-friendly run along the vibrant downtown riverwalk. Expect an exciting race-day experience with strong community support and a big Quintana Roo presence to make you feel like a professional triathlete.

A breathtaking Austrian race featuring a unique two-lake swim, a scenic bike course through rolling vineyards, and a picturesque run along the Traisen River. This is a must-do event for those who love a European triathlon adventure.

After five years, the IRONMAN 70.3 event returns for the third time to the beautiful Chongming Island in Shanghai. Chongming Island is located to the northeast of the city, and about an hour and a half drive from downtown Shanghai. The local government has placed great emphasis on developing the island’s ecological environment. After several years of efforts, 75% of the island is covered in greenery, with flocks of waterfowl and lush trees.

This flagship European event in Hamburg features a harbor swim, a fast and flat urban bike course, and a scenic run along the Alster River. As a European Championship, expect deep competition and an electric race-day atmosphere.

Set in the beautiful port city of Gdańsk, Poland, this race offers a Baltic Sea swim, a smooth and fast bike course, and a run that takes athletes through historic city streets with enthusiastic local support.

This Austrian race is a scenic gem, featuring an alpine lake swim, a rolling bike course with stunning mountain backdrops, and a lakeside run that showcases the beauty of the region.

As the European Championship, IRONMAN Frankfurt is a marquee event with a spectacular city-center finish. The race features a two-loop lake swim, a bike course with both speed and climbs, and a marathon run through the heart of the city.

The most legendary long-distance triathlon in the world, Challenge Roth is famous for its incredible crowd support, the thrilling Solar Hill climb, and a lightning-fast course that attracts world-class performances every year.

One of the most iconic IRONMAN races, Lake Placid boasts a beautiful and challenging course in the Adirondacks. Athletes will tackle a hilly bike course and a run that passes by Mirror Lake with thousands of spectators lining the streets.

This race delivers a stunning city course with a Baltic Sea swim, a scenic countryside bike ride, and a marathon through the heart of one of Europe's most vibrant capitals. Expect a fast and memorable race experience.

A classic race in the U.S., IRONMAN Wisconsin is known for its challenging bike course featuring rolling hills, a legendary crowd at State Street, and a finish line atmosphere that rivals any in the sport.

One of the oldest long-distance races in the world, this Dutch event features a flat and fast course that’s perfect for setting personal bests. With a swim in the Weerwater, a bike leg through polders, and a vibrant city-center finish, it's a European triathlon staple.

"The 2025 IRONMAN World Championship men’s race in Nice, France invites you to test your mettle in one of Europe’s most iconic and breathtaking destinations. The sparkling Mediterranean, the rugged terrain of the Alpes-Maritimes, and the vibrant energy of the Côte d'Azur all set the stage for a race that combines the beauty of the French Riviera with the grit and challenge of triathlon’s toughest competition. Prepare for a thrilling journey where every moment will leave you in awe. "

This Italian gem offers an exciting coastal race with a Mediterranean swim, a bike course that includes thrilling climbs in the Ligurian hills, and a run along the Riviera’s picturesque promenade.

One of the toughest IRONMAN races on the circuit, Wales is known for its rugged bike course with relentless climbs and a marathon through the medieval town of Tenby, where passionate fans create an unforgettable race-day atmosphere.

A full-distance challenge in the scenic city of Chattanooga, this race features a downriver swim, a rolling countryside bike course, and a beautiful, energy-packed run through the downtown riverfront.

A new addition to the Challenge Family series, this French event features a beautiful Atlantic swim, a bike course with coastal and countryside scenery, and a festive town-center finish.

Step onto sacred ground at the 2025 IRONMAN World Championship in Kona, where legendary women will etch their names into triathlon history. Feel the spirit of champions past as you face the ultimate 140.6-mile/ 226km test of willpower and endurance. Swim in the turquoise waters of Kailua Bay, bike across the raw, volcanic landscapes of the Queen Kaʻahumanu Highway, and run under the radiant Hawaiian sun toward the finish line on Ali’i Drive. The historic KONA® race is an unforgettable journey in the heart of triathlon's birthplace. Kona awaits. Will you answer the call?

This second Mallorca event under the Challenge brand delivers another incredible island experience. With warm waters, stunning bike routes, and a scenic beachfront run, this race is a favorite among European triathletes.

A fast and dynamic race on the Catalan coast, Challenge Barcelona boasts a beachside swim, a lightning-fast bike leg, and a vibrant run course along the famous boardwalk.

The world’s best 70.3 athletes come together for this championship showdown. With a rotating host city, the 2025 edition promises a world-class venue, a challenging course, and a global field of competitors.

A late-season classic in Tempe, Arizona, this race features a smooth lake swim, a flat and fast desert bike course, and a well-supported urban run. Perfect for those looking to close out the year with a PR.

A unique destination race in Uzbekistan, Challenge Samarkand offers an exotic triathlon experience. The course showcases the region’s rich history, with a swim in the striking Rowing Canal, a bike through desert landscapes, and a run past UNESCO World Heritage sites.