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 234 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.
September 2026
A multi-distance triathlon and duathlon at Newborough Forest and Traeth Llanddwyn Beach on 27 Sep 2026, featuring sea swims, mixed road and trail runs, chip timing and a family friendly event village.
A biannual pool then run aquathlon at the Lakeside Centre in Killingworth with junior and adult categories, seeded swim starts for adults, and trophies across age groups. Race pass rules apply for nonmembers.
October 2026
Race at a historic Olympic venue with this flat and fast road duathlon. Choose from Super Sprint Standard or Relay distances and enjoy a chip timed course through the scenic grounds of Dorney Lake.
Race at Dorney Lake on a flat multi lap course with Super Sprint, Sprint and Standard options. The event is draft illegal and requires British Triathlon membership or a single use race pass.
Triathlon at Dorney Lake on 3 October 2026 with Super Sprint, Sprint and Standard distances, plus aquabike and relays; calm open water, flat road course, chip-timed results, marshals and an event village with race photos.
DirtFest is a two day off road festival at Bramham Park on 3 and 4 October 2026 offering trail runs, children's duathlons, a gravel sportive and gravel duathlons on park trails.
DSFRS Multisport Championships at Torbay Velopark features an individual Sprint Triathlon for Fire Service members and a Sprint Relay for teams of two or three, organised by Sportiva Events with a relay entry price of 51 GBP.
Autumn duathlon at Oulton Park on 4 October 2026 with morning duathlon races and an afternoon Fast 5km plus triathlon entry options through 1 October.
An off road triathlon festival at Lochore Meadows Country Park offering full and short triathlons, aquabike, duathlon and aquathlon with open-water swims in Loch Ore and mixed-terrain bike and run courses around Clune.
Duathlon at Thruxton Race Circuit with sprint and standard distances on a wide smooth tarmac circuit, hosting GB 2027 age group qualifiers.
Selsey Triathlon at Seal Bay Resort on 4 October 2026 features Super Sprint and Sprint races from a private beach with nearly flat bike routes and a closed-road run. Wetsuits are mandatory and all finishers receive a medal.
A traffic-free triathlon at Torbay Velopark with pool swims, Velopark bike laps and parkland runs for ages 5 and up, featuring junior, senior and relay categories and a range of entry prices.
Pool-based triathlon in Lydney offering Sprint and Olympic distances, chip timing, secure transitions and scenic but hilly bike routes.
Sprint duathlon on 11 October 2026 at Carlisle Lake District Airport featuring a 5 km run, 19.3 km bike and 2.5 km run. Traffic free airport runs, chip timing, prizes and a finisher medal.
Autumn duathlon in Bishampton with standard and short run bike run formats on quiet rural lanes and a flat tarmac run. Part of entry fees support St Richard’s Hospice and all finishers receive a medal.
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.
A coastal sprint triathlon in Minehead featuring a 750 m open water swim, a 20 km out and back bike route towards Porlock, and a 5 km seafront and trail run, with individual and mixed relay entries and optional medal and t shirt packs.
A traffic free, British Triathlon registered duathlon at Croft Circuit in October 2026, featuring measured run, bike, run courses, a spectator friendly layout and an expo village to support teams and spectators.
Duathlon at Grafham Water on 25 October 2026 with Standard and Sprint distances, a 2.5 km dam lap and an out and back bike route to St Neots. Races are draft illegal and supervised by British Triathlon motor officials.