Stanmore
Triathlon Calendar near Stanmore 2026-2027
Monthly updates for Stanmore
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Stanmore for 2026-2027! We've gathered 23 exciting races in the area. Check out our detailed list below to find your next local race.
September 2026
Multisport races at Henley Showground featuring triathlon, aquabike and open water swims on the River Thames with marked courses and on-site facilities.
Triathlon at Eton Dorney with super sprint, sprint and standard distances on a flat traffic free course featuring a clear lake swim and chip timing.
Willesden Triathlon Club hosts triathlon and aquathlon races at Willesden Sports Centre, featuring a 400 m pool swim and 5 km run, with entries via British Triathlon.
Women-only aquathlon at Shepperton Lake with calm open water swims and flat run laps, offering beginner and step-up distance options plus on-site facilities for participants and spectators.
Triathlon at Dorney Lake supporting Macmillan Cancer Support with Super Sprint, Sprint, Standard, aquabike and relay options at the Olympic venue; event sold out.
Monthly updates for Stanmore
Get new running races (and updates) in your inbox every month.
Triathlon at Dorney Lake with sprint, standard, super sprint, aquabike and relay options on a flat, chip timed Olympic venue.
Aquathlon at London Fields Lido combining a 400 m pool swim with a 5 km loop around London Fields Common, listed in the Senior London League.
Sprint and Super Sprint triathlons at Hampton Pool feature pool swims in a 26°C lido, road cycling and runs beside Hampton Court with safety measures for open roads.
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.
Duathlon and triathlon races at Dorney Lake with Super Sprint, Sprint and Standard distances on a flat, draft-illegal course; British Triathlon membership or a Race Pass is required.
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.
Aquathlon at the London Aquatics Centre: a 400 m pool swim followed by a measured 5 km run in Queen Elizabeth Olympic Park, open to ages 15 and over.
November 2026
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.
Race Super Sprint, Sprint or Standard duathlon at Dorney Lake on a flat, chip timed course with marked laps, helpers and spectator viewing.
December 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.
Super Sprint, Sprint or Standard distances at flat, scenic Dorney Lake with marked courses, helper stations, spectator viewing and a British Triathlon race licence requirement.
May 2027
Marlow Triathlon on 30 May 2027 at Higginson Park features open water River Thames swims, cycling through the Chilterns and riverside runs, with medals and chip timing.
June 2027
Pool based triathlon in Henley on Thames with an indoor pool swim, rural bike laps and a grass run around Gillotts School, with chip timing and finisher medals.
Club organised triathlon in Swanley on 13 June 2027 offering sprint, standard and aqua bike distances, BTF sanctioned and in its 35th year.
River Thames swim, country roads cycle and a finish past Windsor Castle with sprint and Olympic distances and relay options.