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.
October 2026
A swim and run event at London Aquatics Centre and Queen Elizabeth Olympic Park on 31 October 2026, featuring a 400 m pool swim and a measured 5 km park run, with chip timing, race photos and a themed medal.
November 2026
A duathlon at Roadford Lake that includes a European Championship Standard Distance qualifier for the British Triathlon GB Age-Group Team. The event features chip timing, medals, prizes, an onsite cafe and camping.
A chip timed duathlon at Dorney Lake with Super Sprint, Sprint and Standard distances on flat road courses. Relay entries for two or three athletes and entry includes a themed medal and free race photos.
A draft-illegal duathlon at Dorney Lake offering Super Sprint, Sprint and Standard distances with relay options. The flat, chip-timed multi-lap course is marked and supported, with spectator facilities and free parking.
Experience a winter duathlon at Kielder Castle featuring trail runs and red graded mountain bike tracks through the Northumbrian landscape as a solo athlete or in a pair.
Duathlon at Bramley Farm with Sprint and Super Sprint races, a McA Series medal and a £25 entry. Marked transition, mandatory helmets, limited parking and course briefings support race-day logistics.
December 2026
A 400 m pool swim followed by a traffic free 5 km out and back run at Wombourne Ounsdale Leisure Centre on 06 Dec 2026.
A chip-timed duathlon at Dorney Lake with Super Sprint, Sprint and Standard formats, relay options, and a flat road course around an Olympic venue. The event includes a themed medal, free photos and an event village with food and partner goodies.
Dorney Duathlon in Windsor offers Super Sprint, Sprint and Standard distance races around a flat Olympic venue. The event is draft illegal and requires British Triathlon membership or a single race pass.
A December off-road duathlon at Sherwood Pines Forest near Mansfield, with sprint and standard run-cycle-run formats, live chip timing and a secured transition area. Finishers receive a medal, refreshments and event merchandise.
March 2027
A sprint duathlon in Neyland on 7 March 2027 with a 5k run, 21k bike and 2.5k run along the Milford Haven Waterway. Field limited to 160, relay teams welcome; British Triathlon membership or Race Pass required.
Flat, fast sprint triathlon at Ribby Hall Leisure Village on 21 March 2027 with sprint, aquathlon and double sprint formats, chip timing, medals and gifts.
Duathlons in Grasmere on 21 March 2027 featuring run and bike stages around the lake and fells. Sprint and Standard distances are offered and live chip timing is provided.
Duathlon at Druridge Bay Country Park with sprint and standard run bike run courses along lakeside footpaths and flat coastal roads.
A duathlon at Margam Country Park combining trail runs around the castle and lake with rolling road bike courses featuring short climbs and fast flat sections.
Duathlon at Oulton Park listed for 29 March 2027 with Sprint, Standard and Middle Distance categories; online entry fees shown and entries close 25 Mar 2027.
April 2027
Sprint and Standard duathlons at Bramham Park set among woodland and quiet lanes, with chip timing, a secure transition area and on-site parking.
Pool sprint triathlon at East Leake Leisure Centre on 4 April 2027 with 400 m swim, 22 km bike and 5 km run plus aquabike, aquathlon and relay options.
Aquathlon at Burntwood Leisure Centre on 11 Apr 2027 with swim and run distances set by age group. Entry fees depend on date and age and a British Triathlon Race Pass may be required.
A pool-based sprint triathlon at Haverfordwest Leisure Centre featuring a 400 m swim, 17 km bike and 5 km run. Relay and aquathlon options are available and the field is limited to 160 competitors.