Come out and see some of the strongest athletes in the world! IRONMAN Wisconsin attracts thousands of fans, volunteers, and athletes to Madison every year. The event is known for the extraordinary crowds and scenic course route, making it one of the best IRONMAN events in the world.

On Sunday, September 9, 2018, IRONMAN athletes will start off swimming in Lake Monona, followed by biking through rural Dane County, and finish with running through historical downtown Madison. Plus, with an iconic finish line near Capitol Square, you won’t want to miss it!

Pro Tip: Stay in the heart of downtown at The Madison Concourse Hotel and Governor’s Club! Make a weekend of it and enjoy the best that Madison has to offer. Book now while availability lasts!

IRONMAN Wisconsin By The Numbers

2500+ athletes
3700+ volunteers
45,000+ cheering fans
2.4 miles of swimming
112 miles of biking
26.2 miles of running
13 hours and 15 minutes average race day
8:15 PM average finish time

IRONMAN Wisconsin Dates, Times, Locations

Sunday, September 9, 2018

6:45 AM - 9:25 AM - Swim - Lake Monona (Monona Terrace)

8:00 AM - 5:35 PM - Bike - Greater Madison Area (start & finish at Monona Terrace)

1:00 PM - 12:05 AM - Run - Downtown Madison (finish on Martin Luther King Blvd.)

All start times are approximate and all end times are cut-off times.

Athlete’s Choice Awards

Overall Satisfaction, 2017
Will Recommend To A Friend, 2017
Best Overall Run, 2017
Best Race Venue Experience, 2017
Best Host City Experience, 2017
Best Post-Race Celebration, 2017


What The Athletes Are Saying

"IRONMAN Wisconsin can't be beat. The course is beautiful, challenging and rewarding. The spectators are out of this world, and the course design allows for them to travel around to several spots."

"The run loops up State Street really lifted my spirits and Madison is an amazing host city."

"The city of Madison is just a great place to race. The people make the day what it is."

"Madison as a venue was outstanding! The people involved in the race and the general public were so gracious. I will definitely be back!"

"I felt like a celebrity the whole darn weekend."

"From day one sign up to crossing the finish line, the organization and support is beyond amazing. Every detail was thought of, making this an absolutely perfect experience for racers and their families. Just awesome."


Where To Watch IRONMAN Wisconsin


Monona Terrace
Enjoy full, panoramic views of the waterfront from Monona Terrace.


Midtown Road Hill
Catch views of the athletes as the make their way down one of the biggest hills of the course.

Verona Loop Festival, Verona Road
Join in the fun at the festival right in the middle of the bike course.

Note: Be careful to avoid the race course on your drive out to view the bike portion. Use alternative routes to avoid traffic and respect the athletes.


State Street
Watch the runners head towards the finish line from the restaurants, bars, cafes, and lively atmosphere of State Street.

Camp Randall (exterior)
A great place to watch the Badgers and Ironman athletes!

Lakeshore Path
A spot with a view! Escape to the peaceful scenery of Lakeshore Path.

Finish Line on Martin Luther King Blvd.
There’s nothing like cheering on athletes as the cross the finish line!

IRONMAN Wisconsin Links

Book A Hotel Room
2017 IRONMAN Wisconsin Video
Course Maps
Event Schedule
Official Athlete Guide