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Triathlon Calendar near Dunstable Downs 2026-2027

Monthly updates for Dunstable Downs

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Explore the top triathlons near Dunstable Downs for 2026-2027! We've gathered 39 exciting races in the area. Check out our detailed list below to find your next local race.

July 2026
A point to point sportive triathlon from Dorney Lake to Brighton with a 1.2 mile swim, 67 mile bike and 14 mile trail run, supported logistics, team entry option and ticketed return transport.
Marlow Triathlon at Higginson Park on 19 July 2026 offers Middle Distance, Olympic and Sprint formats with a River Thames swim, cycling through rolling hills and a riverside run. The event supports Macmillan Cancer Support and includes chip timing an..
A three-person relay sprint triathlon at Box End Park featuring a 750 m swim, 23 km bike and 5 km run. Teams must hold British Triathlon membership or a race pass and the event is limited to 144 teams.
A family-focused triathlon at Dorney Lake on 19 July 2026 featuring an open water swim, flat traffic free bike course and spectator friendly run, with adult, youth and family non-competitive race options organised by Barnes Fitness.
Triathlon at Dorney Lake on 26 July 2026 with Super Sprint, Sprint and Standard distances, plus Aquabike and relay options. Chip timing, themed medal, free photos, and an event village; the event supports Macmillan Cancer Support.
Triathlon at Dorney Lake in Windsor offering Sprint, Standard and Super Sprint races plus Aquabike and relay options. The clear lake and flat bike and run circuits make for a fast, chip timed event.
August 2026
The Cowman Triathlon at Emberton Country Park offers Middle, Standard and Sprint triathlon distances plus Aquabike, Aquathlon and Bike-Run formats with open-water swim, road cycling and parkland runs. British Triathlon membership or a race pass is re..
A triathlon festival in St Neots on 8 August 2026 featuring full and half distance triathlons plus aquabike options, a festival village with music and food, on site camping, and finisher medals and shirts.
Part of the ATW First To Full Festival on 8 August 2026 in Riverside Park, St Neots, this event offers sprint and standard triathlons, aquabike and relay options with an open-water swim in the River Ouse.
A multisport festival at Riverside Park on 8 August 2026 where entrants choose distances from sprint to full, with triathlon, aquabike, relays and a 12 hour endurance run. The day includes live entertainment, family attractions and on site camping.
Triathlon at Dorney Lake offers sprint, standard and super sprint races on a flat bike and run course with aquabike and relay options. British Triathlon membership and a race licence are required.
Triathlon at Dorney Lake on 8 August 2026 offering Super Sprint, Sprint and Standard distances, plus aquabike and relay options. Entries include a themed medal, chip timed results and free race photos.
SPRINT Superhero Tri is a short multisport challenge with a 150 m swim, 3 km bike and 1 km push/run. Entries can be solo, relay, or pulling a Superhero; everyone on course must be registered and receives a medal, T shirt and Super Kit Bag.
A Bedford Harriers triathlon held in the heart of Bedford with a new 2025 Sprint distance, a bike route using a local time trial course including Hill Foot, and a shortened two-lap riverside run. Multiple entry categories and set fees are listed.
Evening triathlon at Dorney Lake on 26 August 2026 offering Sprint, Super Sprint, Aquabike and relay formats. The clear lake, flat bike and run course and chip timed results are central features.
Experience a triathlon at an iconic Olympic venue featuring a calm open water swim and a flat traffic free course. Choose from Super Sprint Standard Aquabike or relay options with chip timing and themed medals for all finishers.
Triathlon races at Dorney Lake include super sprint, sprint and standard distances plus aquabike and relay options. The event uses a clear lake and flat bike and run course, is draft illegal and is chip timed.
September 2026
A community aquathlon at Letchworth Outdoor Pool combining a 400 m pool swim and a 5 km run with junior distances and relay options. Chip timed age group competition, inclusive entries and a 350 participant limit.
A multisport finale at Dorney Lake near Windsor with triathlon, duathlon, aquabike, aquathlon and open water swims. Courses are marked and marshalled, with chip timing, finisher medals and basic on-site facilities.
A community duathlon at Nettleden Lodge near Berkhamsted with a 6 km run, 24 km cycle and another 6 km run. Individual and relay entries are accepted and all funds raised are donated to three charities.
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