Ironman Wisconsin Triathlon

Held the Sunday following Labor Day Weekend. Start/finish area located downtown at Monona Terrace and Martin Luther King Jr Blvd. Swimming in Lake Monona (with excellent views from Monona Terrace rooftop). Cycling and marathon held on streets of Madison and roads of Dane County. No admission fee.

outdoors

Website: ironmanwisconsin.com (opens in a new tab)

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Listing from Wikivoyage: Madison, CC BY-SA 4.0.

Updated 28 Sept 2026. Something wrong? Tell us.

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