ask a ref

Why do I have to wear a shirt during U.S. Ironman events when I can race topless in non-Ironman events?

Ironman head referee Jimmy Riccitello answers your questions about the rules of the sport.

Confused by all the fancy new swimwear options and what’s legal to use in a race and when? Jimmy Riccitello goes over the basic rules.

Unauthorized Assistance is a rule that is often misunderstood and could cause a well-meaning athlete to unwittingly be penalized.