The Fastest, Freshest, Funkiest Age-Group Bikes at the Men's 2025 Ironman World Championship

From little-known brands to drool-worthy custom designs, today's age-group bike check-in offered a feast for the eyes.

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Triathlon bikes at the men's 2025 Ironman World Championship in Nice, France. (Photo: Brad Kaminski/Triathlete)

Though there’s a lot of buzz about the pro race going down tomorrow at the 2025 men’s Ironman world championship, there’s plenty of age-group action to follow, too – 2,500 of them will take to the course just minutes after the pro race kicks off at 7:05 a.m. CEST.

These accomplished athletes hail from 86 countries, regions, and territories globally, and many represented their homeland in the annual Parade of Nations held earlier this week. As they rolled into transition and racked their bikes, we could hear them discussing where they were from, how they qualified, and – adorably – how nervous/excited they were for what was in store tomorrow.

But mostly, they talked about their sweet bike setups. They are triathletes, after all.

Triathlete staff photographer Brad Kaminski was on hand to capture the most interesting age-group bikes of the day, from the fast to the funky. And if these age-group bikes aren’t enough to whet your whistle, don’t forget we’ve got plenty of pro bikes to drool over, too, including:

• Kristian Blummenfelt’s Wild Cadex Tri
• Gustav Iden’s Mean Giant Trinity Advanced SL
• Sam Laidlow’s Stark Canyon Speedmax CFR
• Magnus Ditlev’s Rocketship Scott Plasma RC
• Sam Long’s Dialed-in Trek Speed Concept
• Patrick Lange’s Customized Canyon Speedmax CFR
• Kristian Blummenfelt’s WildCadex Tri

Visit our Nice Central hub for news, analysis, history, photo galleries, and so much more – new stories added daily from our team on the ground at the men’s 2025 Ironman World Championship.

Age-groupers of the 2025 men’s Ironman World Championship