IRONMAN Wisconsin

IRONMAN Wisconsin course: how fast are the swim, bike and run?

IRONMAN Wisconsin: 3.1% slower than the median course (bike 7.5% slower, run 0.2% slower, swim 1.7% slower). The same athletes' times compared across every course, and a time predictor.

Madison, WI, USA; 55 World Championship slots; a course 3.1% slower than the median one; 1,374 finishers in 2026.

Every age group, the swim, bike and run, and your own result: free with an account. Sign up free

• Slots and qualifying times
• How 2026 played
• 2026 results
• Who races
• Course speed
• Over the years
• Every race