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Ironman Boulder

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DNF statistics for Ironman Boulder.

  • Swim, bike and run DNF percentages indicate the proportion of athletes who started that leg, but didn't finish it.
  • Races highlighted in red didn't provide clearly defined DNS numbers, meaning swim and overall DNF numbers also include those who DNS.
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DNF Rates
YearStartersFinishersSwim DNFBike DNFRun DNFOverall DNFDQsDNS
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Ironman Boulder Articles
Top Twenty Male Performances and Kona Qualification by Age Group at Ironman Boulder 2019Ironman Boulder 2019: Age Group Results and Kona Qualification
Changes in Male Finishing Times by Position at Ironman BoulderIronman Boulder 2018: Age Group Results and Kona Qualification
Top Twenty Male Performances and Kona Qualification by Age Group at Ironman Boulder 2017Ironman Boulder 2017: Age Group Results and Kona Qualification
Top Twenty Male Performances and Kona Qualification by Age Group at Ironman Boulder 2016Ironman Boulder 2016: Results and Kona Qualification Analysis
Distribution of Finisher Splits at Ironman Boulder 2015 Compared With 2014Ironman Boulder 2015: Results and Analysis
Distribution of Finisher Splits at Ironman Boulder 2014: Visitors versus ResidentsIronman Boulder 2014: Full Results and Analysis
Predicted Kona Slot Allocation for Ironman Boulder 2014Kona Slot Estimates for Ironman Boulder 2014