Special Local Regulation; Kailua Bay, Ironman World Championship, Kailua-Kona, HI

What it does

The Coast Guard will enforce a special local regulation for the Ironman Ho'ala practice swim and Ironman World Championship Triathlon on October 4 and 10, 2026, to provide for the safety of life on navigable waterways during these events. Our regulation for marine events within the USCG Oceania District (formerly known as the Fourteenth Coast Guard District) identifies the regulated area for this event on certain waters of Kailua Bay, Kailua-Kona, Hawaii. During the enforcement periods, the operator of any vessel in the regulated area must comply with directions from the Patrol Commander or any Official Patrol displaying a Coast Guard ensign.

The Coast Guard's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 33 of the Code of Federal Regulations:

33 CFR 100

Compared with

The Coast Guard has published 341 final rules in 2026 so far, compared with 224 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

What happens next and when

The regulations in 33 CFR 100.1402 will be enforced from 3:45 a.m. to 11:00 a.m. on October 4 and 10, 2026.

The agency's dates, word for word.

Check it yourself

• The document in the Federal Register
• Docket USCG-2026-0219 on Regulations.gov
• Title 33 on eCFR

The record as published

Source: the Federal Register (public domain). The document in the Federal Register