IRONMAN 70.3 Buenos Aires

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

IRONMAN 70.3 Buenos Aires: 3.7% faster than the median course (bike 2.8% faster, run 4.6% faster, swim 0.7% slower). The same athletes' times compared across every course, and a time predictor.

Next race 4 October 2026 in Buenos Aires, Argentina; 50 World Championship slots; a course 3.7% faster than the median one; 1,049 finishers in 2025.

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