IRONMAN 70.3 Western Massachusetts

IRONMAN 70.3 Western Massachusetts course: how fast are the swim, bike and run?

IRONMAN 70.3 Western Massachusetts: 3.2% faster than the median course (bike 1.1% slower, run 6.1% faster, swim 11.6% faster). The same athletes' times compared across every course, and a time predictor.

Springfield, Massachusetts, USA; 60 World Championship slots; a course 3.2% faster than the median one; 1,238 finishers in 2026.

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