Hemel Hempstead
Triathlon Calendar near Hemel Hempstead 2026-2027
Monthly updates for Hemel Hempstead
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Explore the top triathlons near Hemel Hempstead for 2026-2027! We've gathered 38 exciting races in the area. Check out our detailed list below to find your next local race.
September 2026
Triathlon at Dorney Lake in Windsor with Super Sprint, Sprint, Standard, aquabike and relay options on a flat, chip timed course; British Triathlon licence required.
Multi-race event at Hampton Pool in London offering Sprint and Super Sprint triathlon and aquathlon distances with an outdoor heated pool and flat tarmac routes.
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 on flat, chip timed courses with Super Sprint, Sprint and Standard distances plus relay and aquabike options.
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.
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 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
Four person team relay triathlon at Box End Lakes featuring a 350 m swim, 7.7 km bike and 1 km run per athlete. Teams can enter in Olympic mixed, female or open categories and single entries may be allocated to teams on race day.
A 100 km triathlon at Box End Lakes on 23 May 2027 with a 2.2 km swim, 81 km non draft bike and a 20 km off road run. Aquabike and team relay options are available, with camping and free parking on site.
Triathlon at Box End Lakes on 23 May 2027 offering Sprint, Standard and Centurion distances. Options include aquabike, two to three person relays, non-draft multi-lap courses and on-site camping.
June 2027
Pool-based triathlon in Henley-on-Thames with rural cycling and grass running, offering sprint, super sprint, fun, relay and charity CRUK waves on 6 June 2027.
River Thames swim, country roads cycle and a finish past Windsor Castle with sprint and Olympic distances and relay options.
July 2027
A five-distance triathlon at Hitchin Outdoor Pool with pool swims, closed roads cycling and a flat run finishing at Butts Close.
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.
September 2027
Triathlon at Box End Lakes on 19 September 2027 offering Sprint, Standard and Middle Distance races plus aquabike and relay options in clear open water.