Amersham
Triathlon Calendar near Amersham 2026-2027
Monthly updates for Amersham
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Amersham for 2026-2027! We've gathered 38 exciting races in the area. Check out our detailed list below to find your next local race.
June 2027
Multi-distance triathlon at Dorney Lake with sprint, standard, super sprint, aquabike and relay options on a flat, Olympic-standard course.
Royal Windsor Triathlon on 13 June 2027 at Alexandra Gardens: Sprint and Standard races with a Thames swim, scenic bike through Windsor and a run along the Long Walk.
July 2027
Five-distance triathlon at Hitchin Outdoor Pool and Butts Close, from children's Nano races to the Olympic distance, with timing, t-shirt and finisher medal included.
Midweek Dorney Triathlon at Dorney Lake offers sprint, super sprint, aquabike and relay options on a flat, chip timed course with wetsuit hire and free parking.
Triathlon at Higginson Park, Marlow on 11 July 2027 offering Half Iron, Olympic and Sprint distances while supporting Macmillan Cancer Support.
Monthly updates for Amersham
Get new running races (and updates) in your inbox every month.
One on the River Marlow stages triathlon, duathlon, aquabike, aquathlon and open-water swims at Higginson Park beside the River Thames with chip timing and marked courses.
Triathlon at Dorney Lake offering sprint, standard and super sprint distances plus aquabike and relay options on a flat chip timed Olympic course.
Point to point triathlon from Dorney Lake near Windsor to Brighton seafront with a 1.2 mile swim, c. 67 miles bike and c. 14 miles run.
Family oriented triathlon at Dorney Lake on 25 July 2027 with open water swims, flat traffic free bike routes and multiple junior and youth race distances.
Experience a flat and fast triathlon at the iconic Dorney Lake Olympic venue featuring super sprint sprint and standard distances plus relay and aquabike options.
August 2027
A summer multisport event in Henley on Thames with triathlon, duathlon, aquabike, aquathlon and open water swims on the River Thames.
Sprint triathlon at Thorpe Park on 15 August 2027 with a 750m swim, 20K bike and 5K run, supporting Macmillan and including free Thorpe Park admission.
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.
Beginner-friendly triathlon at Surrey Docks with open water swims, static cycling options and flat run routes, focused on community and representation rather than competition.
September 2027
One on the Lake Dorney on 5 September 2027 offers triathlon, duathlon, aquabike, aquathlon, open water swims and 5K, 10K and 15K runs with pro timing and medals.
Closed-road triathlon at Willen Lake on 12 September 2027 with Sprint and Standard distances plus aquabike and relay options.
Multi-distance triathlon, aquathlon and aquabike at the H2O Swim Centre lake in Reading on 12 September 2027, featuring open water swims and single loop road cycle routes.
October 2027
A combined 400 m pool swim and 5 km run at the London Aquatics Centre and Queen Elizabeth Olympic Park on 23 October 2027.