Ironman rules

The organization’s new rules follow World Triathlon’s efforts to crack down on runaway hydration systems and aerobar extensions, while reducing drafting penalties - among other changes.

Models from Asics, New Balance, Hoka, and more have been listed as “prohibited” by Ironman for the 2025 season. Ironman head referee Jimmy Riccitello explains why.

We speak to head Ironman "rule master" Jimmy Riccitello for insight on Ironman's recently amended, added, and clarified race rules—and give context on why and why now.

“I've worked a 16-hour day before on my own dime at an international race, just to get the experience. So, it has to be something you love because you're not making money."

Pre-race discussion and transparency around centerline penalties at the men’s Ironman World Championship in Nice was a good start, but with so much on the line for pros, there’s more to be done.

If you were hoping to race in Gustav Iden's Kona-winning Ons or the new 55mm Adidas Adizero Prime X this year, we've got bad news for you.

The new rules aim to more closely align with the ITU. Jimmy Riccitello has also been named Head Referee for Ironman.

Tell us how you feel about the Ironman Access program in today's Triathlete.com poll.

American triathlete Kelly Williamson postponed her first ever 70.3 victory by a couple minutes in an effort to help fellow professionals get paid.