Big Swell Swim


Race for our lakes

Jump into Lake Monona for Big Swell Swim Madison! If you are not in the Madison area, just choose your own course and swim anywhere! This is a great training opportunity for competitive and recreational swimmers alike.


Don’t want to swim? Grab a paddle board and stand up paddle your own course!

Choose from a 1.2 or 2.4-mile race in the same waters as Ironman Wisconsin. All swimmers will receive a an event tank.


Swim for clean lakes

When it comes to Madison’s lakes, it’s not only the fish that count on clean water for swimming. Hundreds of swimmers plunge into our lakes each year, especially as part of our vibrant triathlon scene.

Whether you are a competitive swimmer looking for a great training opportunity, or a recreational swimmer who cares about clean water, Big Swell Swim is the perfect opportunity to make a difference and help protect our lakes.