IRONMAN 70.3 Bolton

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

IRONMAN 70.3 Bolton: 1.9% slower than the median course (bike 8.2% slower, run 4.3% faster, swim 1.0% faster). The same athletes' times compared across every course, and a time predictor.

Next race 6 June 2027 in Bolton, United Kingdom; 60 World Championship slots; a course 1.9% slower than the median one; 1,601 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