IRONMAN Switzerland

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

IRONMAN Switzerland: 5.5% slower than the median course (bike 9.1% slower, run 2.3% slower, swim 3.9% slower). The same athletes' times compared across every course, and a time predictor.

Next race 4 July 2027 in Thun, Switzerland; 40 World Championship slots; a course 5.5% slower than the median one; 1,910 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