Mumbles
Triathlon Calendar near Mumbles 2026-2027
Monthly updates for Mumbles
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Mumbles for 2026-2027! We've gathered 8 exciting races in the area. Check out our detailed list below to find your next local race.
August 2026
Middle distance triathlon in Port Talbot with a relay option, junior aquathlon and a charity Mini Mile supporting the Teleri Mia Foundation.
Final race of the 2026 Bay Aquathlon Series at Swansea Bay. Open water event offering three distances from a 400m swim with 3k run up to a 750m swim with 5k run, plus relay entries and a full series option.
September 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.
Mumbles Duathlon is an end of season sprint event in 2026 featuring a 5k run, 32k bike and 5k run on a fast flat run course. GPX files and a race pack are provided and a payment plan is available for the £75 entry.
October 2026
A sprint triathlon in Porthcawl on 11 October 2026 with a 750 m harbour swim, a four lap bike circuit and a two lap 5 km coastal run finishing in the harbour.
March 2027
Duathlon at Margam Country Park in Port Talbot featuring sprint and standard distances, organised by Gwydra Events Limited with early bird and standard entries.
April 2027
A mixed trail and road duathlon at the National Botanic Garden of Wales with two 5 km runs and a 30 km road cycle loop through Carmarthenshire countryside.
May 2027
A sprint triathlon along Swansea waterfront with a 750 m dock swim, three flat city centre bike laps and a 5 km run, on a signed and marshalled non-drafting course.