Stream Live September 14

Catch the Men’s IRONMAN World Championship!

Who will be crowned IRONMAN World Champion in Nice, France? Tune in for our free livestream of the men’s IRONMAN World Championship, starting at 12 a.m. ET* this Sunday, Sept. 14 with Outside, an official streaming partner of the IRONMAN Pro Series.

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*Event time is subject to change

https://www.triathlete.com/2025-ironman-world-championship-men/

IRONMAN Men’s World Championship

Triathlete's editors are on the ground in Nice, France, bringing you live, behind-the-scenes coverage you can't find anywhere else.

Catch Replays Anytime with Outside+

Unlock on-demand access to all IRONMAN Pro Series replays (perfect for those long trainer rides) with Outside+. Also comes with full access to multisport training plans, nutrition tips, and gear advice at triathlete.com, along with many more swim-bike-run benefits.

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*Outside TV app available globally on Apple and Android devices. North America and Canada for all other devices.

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