The Official Competition Rules Governing all IRONMAN and IRONMAN 70.3 Events
Please note that rules may vary slightly at select events due to local laws and ordinances. Be sure to familiarize yourself with the rules published in the event athlete information guide prior to race day.
The 2018 IRONMAN Competition Rules are now available. Please note that we have made some changes to the following sections for 2018: Section 2.02, Section 2.04, Section 3.01, Section 3.02, Section 3.06, Section 5.02 and Appendix A.
The 2018 IRONMAN Competition Rules will take effect April 19th, 2018 in Europe, Africa, and the Americas. The 2018 Competition Rules will roll out in Asia, China and Oceania between April 19th and July 1st (please check event specific Athlete Information Guides regarding implementation of 2018 IRONMAN Competition Rules in Asia and Oceania events during this timeframe). Please note all IRONMAN and IRONMAN 70.3 events sanctioned by Triathlon Australia will not be enforcing the 2018 Competition Rules until July 1st, 2018.