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© 2026 raceindex.org. Derived figures use a published methodology; modelled costs are labelled.

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Ironman World Championship Kona

Ironman World Championship Kona

Kailua-Kona · OCT 2026 · Ironman

Data current as of 2026-06-24

At a glance

SettingCoastal

Typical race-day conditions

Around race day in Kailua-Kona: 25°C typical, 4 mm rain, 11 km/h wind. (10-year Open-Meteo average.)

Distances offered (1)

Full (Iron)

3,860 m swim · 180.25 km bike · 42.195 km run

Entry fee not published · non-drafting · Kona World Championship slots slots

Run terrainFlat to rolling tarmac
SwimSea · ~27°C

Lava fields
Hawi turnaround
Ali'i Drive finish
Queen K Highway

Common questions

What triathlon formats does Ironman World Championship Kona offer?

Ironman World Championship Kona currently lists Full (Iron) (3,860 m swim · 180.25 km bike · 42.195 km run) on raceindex.org.

Where can I verify Ironman World Championship Kona details?

Use the linked official event website alongside the raceindex.org provenance and methodology notes shown on this page.

Official event website ↗

How we calculated this

Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers can check it. Data on this page is current as of 2026-06-24.

Derived numbers use scoring-methodology-v1.0.

Sources used on this page (2)

Layer E archive-api.open-meteo.com
Layer A ironman.com · fetched 2026-06-24

Read the full methodology →

Ironman World Championship Kona — course, terrain & details · raceindex.org