The IRONMĀORI Quarter and Half begin at 7:00 AM in Ahuriri, Napier. The event base is on Hardinge Road, and the swim starts from the Napier beachfront. The Quarter consists of a 1 km swim, a 50 km bike ride, and a 10.5 km run/walk. The Half doubles the swim distance to 2 km, extends the bike ride to 90 km, and concludes with a 21.1 km run/walk.
The race format offers flexibility. Athletes can complete the full triathlon individually, divide it among a three-person team, or enter swim-only, bike-only, or run-only categories. AquaBike and duathlon options are also available. For the Quarter, the swim and bike legs are single laps, and the run is three laps. The bike course is flat, and the run follows Marine Parade. The event's kaupapa focuses on whanaungatanga and community wellbeing, attracting solo athletes, teams, first-timers, and participants who wish to compete in a single discipline while sharing the same race day.