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

**Action Urgency Score:** 30/100

| Field | Value |
|---|---|
| Agency | Homeland Security Department; Coast Guard |
| Type | Final rule |
| Action | Notification of enforcement of regulation. |
| Published | 2026-09-29 |
| Significant | No |
| CFR parts | 33 CFR 100 |
| Summary | 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 an |
| Document number | 2026-19896 |

## Why this score
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/09/29/2026-19896/special-local-regulation-kailua-bay-ironman-world-championship-kailua-kona-hi). Last refreshed: 2026-11-04T09:17:43.641Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.