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Triathlon Calendar near Amersham 2026-2027

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Monthly updates for Amersham

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Explore the top triathlons near Amersham for 2026-2027! We've gathered 32 exciting races in the area. Check out our detailed list below to find your next local race.

August 2026
Inclusive triathlon at Dorney Lake on 15 August 2026 offering three distances, adaptive equipment options, team relays and a celebrity relay with no cut off times.
Two triathlon races at Queenford Water Park in Oxfordshire, including a June sprint and an August Olympic distance with chip timing and race photos.
A sprint-distance triathlon at Thorpe Park on 23 August 2026 with a 750m lake swim, 20 km bike and 5 km three-lap run. Organised by RunThrough, the event supports Macmillan and includes Thorpe Park entry.
Evening triathlon at Dorney Lake with sprint and super sprint races, aquabike and relays, chip timing, wetsuit hire and free parking.
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 events at Dorney Lake with Super Sprint, Sprint and Standard distances plus aquabike and relay options at an Olympic venue.
A community duathlon on Hampstead Heath combining swims across the ponds and short runs, held on 30 August 2026. Individuals and teams of three to five can enter, and some proceeds support local breast cancer rehabilitation programmes.
September 2026
A relaxed community triathlon in South London with open water swim, stationary bike and dockside run where participants choose their own distances.
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 event at Dorney Lake, offering triathlon, duathlon, aquabike, aquathlon and open water swims with marked courses and chip timing.
Nettleden Duathlon at Nettleden Lodge near Berkhamsted combines a 6 km run, a 24 km cycle and another 6 km run. It accepts individual entrants and relay teams, includes free kids races, and raises funds for charities.
Pool swim, fast bike loops and a lapped park run at Woking Leisure Centre offering junior and adult triathlon and aquathlon races.
A closed-road triathlon at Willen Lake offering Sprint and Standard distances, plus aquabike and relay options. The event features calm open water, a traffic-free bike course and a flat lakeside run.
Multi-distance triathlon, aquathlon and aquabike at Hi5 Open Water Swim Centre in Reading on 13 September 2026, featuring lake swims, road cycling and off-road runs.
Multisport event at Henley Showground on the River Thames offering triathlon, aquabike and open water swims on marked, marshalled courses.
A traffic free triathlon at Eton Dorney on 20 September 2026 offering super sprint, sprint and standard distances for individuals and three‑person teams, with chip timing, water safety cover and on‑site parking.
Multi-sport events at Willesden Sports Centre featuring a 400 m pool swim with 10 km bike and 5 km run options; entries for the September triathlon go via British Triathlon.
A women-only aquathlon at Shepperton Lake combining calm open-water swims with a flat run, offering beginner and step-up distances plus on-site facilities for participants and spectators.
Triathlon at Dorney Lake on 26 September 2026 with Super Sprint, Sprint and Standard distances, plus Aquabike and relay options. The event supports Macmillan Cancer Support and features chip timed results, race photos and an event village.
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.
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