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

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Triathlons
Alton Water Triathlon

Alton Water Triathlon

Alton Water, Stutton, Suffolk · Independent

Data current as of 2026-06-24

At a glance

SwimReservoir
WetsuitWetsuits compulsory for open water unless otherwise notified by organiser
SettingRural
StartAlton Water, Holbrook Road, Stutton, Suffolk IP9 2RY

Standard bike is 2 x 20km loops
Sprint bike single loop

View course map / route ↗

Distances offered (2)

Sprint

750 m swim · 20 km bike · 5 km run

Entry fee not published

CourseLoop
Run terrainout-and-back run course
SwimReservoir

Olympic

1,500 m swim · 40 km bike · 10 km run

Entry fee not published

CourseLaps
Run terrainout-and-back run course
Laps2
SwimReservoir

Common questions

What triathlon formats does Alton Water Triathlon offer?

Alton Water Triathlon currently lists Sprint (750 m swim · 20 km bike · 5 km run); Olympic (1,500 m swim · 40 km bike · 10 km run) on raceindex.org.

Where can I verify Alton Water 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.

Sources used on this page (1)

Layer A trifarm.co.uk · fetched 2026-06-24

Read the full methodology →

Alton Water Triathlon — course, terrain & details · raceindex.org