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

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Mumbles Triathlon

Mumbles Triathlon

Mumbles, Swansea · SEP 2026 · Independent

Data current as of 2026-06-24

At a glance

SwimSea
SettingCoastal
StartMumbles Bay, Swansea

Sea swim in Mumbles Bay
Hilly Gower Peninsula bike
Flat seafront run
Ocean Lava qualifier

Typical race-day conditions

Around race day in Mumbles, Swansea: 14°C typical, 6 mm rain, 23 km/h wind. (10-year Open-Meteo average.)

Distances offered (2)

Sprint

750 m swim · 32 km bike · 5 km run

Entry from £79 · Ocean Lava slots

CourseOut and back
SurfaceRoad
Run terrainfast flat seafront
SwimSea

View course map / route ↗

Olympic

1,500 m swim · 42 km bike · 10 km run

Entry from £99 · Ocean Lava slots

Bike climb1,219 m
CourseLoop
SurfaceRoad
Run terrainfast flat seafront
SwimSea

View course map / route ↗

Common questions

What triathlon formats does Mumbles Triathlon offer?

Mumbles Triathlon currently lists Sprint (750 m swim · 32 km bike · 5 km run); Olympic (1,500 m swim · 42 km bike · 10 km run) on raceindex.org.

How much bike climbing is there at Mumbles Triathlon?

Recorded bike climbing by format: Olympic: 1,219 m bike climbing.

Where can I verify Mumbles Triathlon 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 activitywalesevents.com · fetched 2026-06-24

Read the full methodology →

Mumbles Triathlon — course, terrain & details · raceindex.org