Triathlon Calendar United Kingdom 2026-2027
Monthly updates for United Kingdom
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Explore the best triathlons in United Kingdom for 2026-2027! Our updated list features 227 exciting races across the country. Find your next race in United Kingdom below and join the running community at these great events! Search for a location or view races near London, Birmingham, Glasgow, Liverpool, Scotland or Wales.
July 2027
A multi-distance triathlon day in Eastbourne on 11 July 2027 with open-water swims, fully closed-road cycling and seaside runs across youth and adult categories.
A coastal IRONMAN 70.3 in Swansea Bay with a swim from Prince of Wales Dock, a bike route toward the Gower Peninsula and a city and waterfront run.
Triathlon at Higginson Park, Marlow on 11 July 2027 offering Middle, Olympic and Sprint distances with a Thames swim and chip timed results.
Croyde Ocean Triathlon at Putsborough Sands on July 11, 2027 offers Olympic and Sprint distances plus a coastal trail run with profits donated to local charities.
Two day multisport weekend at Belvoir Castle with triathlon, duathlon, aquabike, aquathlon, swim and run events across a range of distances.
Monthly updates for United Kingdom
Get new running races (and updates) in your inbox every month.
A short swimrun at Clevedon Marine Lake combining about 6 km of running with 1 km of swimming, offered as full or half distances with individual and team entries.
Triathlon at Riverside Park St Neots with river swim, road bike and riverside run; Sprint and Standard distances plus aquabike and relay options.
Compact sprint triathlon in Dorchester with a 300 m pool swim, about 21 km scenic bike including Hardy's Monument, and a two-lap 5 km run.
Teams of three each complete a 750m swim, 23km bike and 5km run in relay format at Box End Park with categories and prizes for top teams.
Sprint triathlon at the Sands Centre in Carlisle on 18 July 2027 with a 500 m swim, 20.4 km bike out and back, and a 4.9 km run, chip timed with a finisher medal.
A Clevedon sprint triathlon with a 750 m lake swim, a fast undulating bike loop and a 5 km seafront and trail run finishing at Salthouse Fields.
A two day triathlon weekend at the National Water Sports Centre in Nottingham featuring full distance, middle, sprint, aquabike and youth events.
A swimrun in Pembrokeshire on 24 July 2027 with full and sprint coastal courses, solo or team slots, ENVOL endorsement and GPX route files.
August 2027
A short T30 triathlon at Lydney Lido on Sunday 1 August 2027 featuring a 400 m swim, 24.5 km bike and 5 km run with a finisher's medal.
Triathlon and aquabike racing at MediaCityUK, Salford Quays with a Dock 9 swim, fast flat multi-lap bike and run past the Lowry Theatre and Imperial War Museum North.
ATW Bristol Triathlon at Cumberland Basin combines a harbour swim, closed road bike and riverside run with sprint and standard distances plus aquabike and relay options.
Indoor pool triathlon at King Edward's School, Birmingham on 7 August 2027, with grass traffic free cycle laps, multiple distances and relay options.
Triathlon and multisport festival in St Neots on 7 August 2027 with distances from sprint to full, a 12 hour run, relay options and family festival features.
Experience a one day multi sport adventure in the Lake District featuring a mountain trek, off road cycling through Grizedale Forest, and kayaking on Coniston Water.