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Triathlon Calendar near Hatfield 2026-2027

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Explore the top triathlons near Hatfield for 2026-2027! We've gathered 43 exciting races in the area. Check out our detailed list below to find your next local race.

October 2026
A 400 m pool swim followed by a measured 5 km run around Queen Elizabeth Olympic Park, open to participants aged 15 and over.
A 432 m pool swim followed by a 5 km run at Hampton Pool and Bushy Park on 25 October 2026, age 16+, entry £45 includes chip timing and a finisher medal.
November 2026
A chip-timed duathlon at Dorney Lake on 8 November 2026 offering Super Sprint, Sprint and Standard distances, relay options, flat road courses, free photos and a themed medal.
A routed run from Hampstead High Street to Brockwell Park of about half a marathon through London parks and ponds with swims included and a relaxed club atmosphere.
December 2026
Multi-distance duathlon at Dorney Lake with chip timing, free race photos, medals and relay options, flat road course and onsite parking.
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January 2027
Trail running and mountain biking in the Chilterns on 9 January 2027 with score-format navigation, solo or team entries and options from 2 hour to 5 hour events.
Duathlon at Dorney Lake on 17 January 2027 offering super sprint, sprint and standard road distances with chip timing, free photos and relay options.
February 2027
Flat chip timed run and bike duathlon at Dorney Lake with Super Sprint, Sprint, Standard and relay options on a road course in February 2027.
A roughly half a marathon run through London parks and lidos from Hampstead to Brockwell Park with organised swims and a kit van, organised by Above Below.
March 2027
Duathlon at Dorney Lake on 13 March 2027 with Super Sprint, Sprint and Standard formats on a flat road course.
Family duathlon at Hillingdon Cycle Circuit on 14 March 2027 with multiple run, bike, run distances on a traffic free, purpose built circuit.
April 2027
Duathlon at Dorney Lake on 3 April 2027 with Super Sprint, Sprint and Standard road laps, relay options, chip-timed results and free race photos.
May 2027
Triathlon at Dorney Lake with Sprint, Standard and Super Sprint races plus aquabike and team relays on a flat Olympic venue; British Triathlon membership required.
Sprint triathlon at Hatfield Sports Village with a 400 m pool swim, 20 km bike and 5 km run, including the Herts Club Sprint Championships and non-draft rules.
Multi-discipline event at Hanningfield Reservoir near Chelmsford featuring sprint and standard triathlons, aquabikes and open water swim with live chip timing and free parking.
Multisport festival at Dorney Lake on 16 May 2027 featuring triathlon, duathlon, aquabike, open water swims and 5K to 15K runs, entry from £25.
Team relay triathlon at Box End Lakes with three team categories, a 350 m swim, 7.7 km bike and 1 km run; single entries can be assigned to teams.
A Metric Centurion 100 km triathlon at Box End Lakes on 23 May 2027 featuring a 2.2 km swim, 81 km bike and 20 km offroad run with aquabike and relay options.
Triathlon at Box End Lakes with Sprint, Standard and Centurion distances plus aquabike and relay options on clear lake water and a multi lap course.
Triathlon at Higginson Park on 30 May 2027 with Middle Distance, Olympic and Sprint races, a Thames swim and road bike and run courses.
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