IRONMAN California

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

IRONMAN California: 5.3% faster than the median course (bike 4.3% faster, run 1.5% faster, swim 30.0% faster). The same athletes' times compared across every course, and a time predictor.

Next race 18 October 2026 in Sacramento, CA, USA; 55 World Championship slots; a course 5.3% faster than the median one; 2,324 finishers in 2025.

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

• Slots and qualifying times
• How 2025 played
• 2025 results
• Who races
• Course speed
• Over the years
• Every race