Mumbles Triathlon

SEP
26
2026
A sea swim in Mumbles Bay, a hilly bike around the Gower Peninsula and a fast flat seafront run. Two distances are offered on 26 September 2026 and the event is an Ocean Lava qualifier.
Sat 26 Sep 2026
Olympic Distance Swim Sprint Distance Run Olympic Distance Run Sprint Distance Swim Sprint Distance Bike

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Mumbles Triathlon - Ocean Lava

Mumbles Triathlon takes place on 26 September 2026 and is presented as part of the Ocean Lava series. The event offers two race distances and is listed as suitable for club championships. The swim takes place in the sea at Mumbles Bay, the bike follows roads around the Gower Peninsula with hilly terrain, and the run is a fast, flat course along the seafront.

Distances and formats

  • Olympic Distance: 1500m swim / 42km bike / 10k run
  • Sprint Distance: 750m swim / 32km bike / 5km run

Entry pricing is published for each distance: Olympic entry is £99 and Sprint entry is £79, with an option noted for a payment plan and entry from £79. Course materials include downloadable GPX files for swim, bike and run legs. The event page also lists local accommodation, food and visitor resources for the Mumbles and Swansea area.

The organiser identifies the event as an Ocean Lava qualifier and highlights its use for club championships. Information provided focuses on course distances, terrain characteristics, pricing and available course files. Visit the organization's website for the most recent information.

10 km
Olympic Distance Run
5 km
Sprint Distance Run
Olympic Distance Swim
Sprint Distance Swim
Sprint Distance Bike
Olympic Distance Bike
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