Maidenhead
Triathlon Calendar near Maidenhead 2026-2027
Monthly updates for Maidenhead
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Maidenhead for 2026-2027! We've gathered 47 exciting races in the area. Check out our detailed list below to find your next local race.
June 2027
Midweek triathlon at Dorney Lake with Super Sprint, Sprint, aquabike and relay options on a flat course in an Olympic venue; British Triathlon membership is required.
Pool-based triathlon in Henley-on-Thames with indoor swims, rural cycle laps and grass runs across Sprint, Super Sprint, Fun, relay and CRUK wave options.
Multi distance triathlon at Dorney Lake with swim, bike and run options plus aquabike and relay entries; British Triathlon membership and a race licence are required.
Triathlon at Alexandra Gardens, Windsor on 13 June 2027 with Thames open-water swims, road cycling past Windsor Castle and runs along the Long Walk; sprint, standard and relays.
July 2027
Midweek Dorney Triathlon at Dorney Lake offers sprint, super sprint, aquabike and relay options on a flat Olympic course; the event is draft illegal.
Monthly updates for Maidenhead
Get new running races (and updates) in your inbox every month.
Marlow Triathlon at Higginson Park on 11 July 2027 offers Middle Distance, Olympic and Sprint races with timed results, race village facilities and charity support for Macmillan.
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 offers Sprint, Standard and Super Sprint races plus aquabike and team relay on a flat Olympic venue.
Point to point triathlon from Dorney Lake near Windsor to Brighton Sea Front with a lake swim, a long bike through Surrey and a South Downs trail run.
Multi distance family triathlon at Dorney Lake with open water swims, closed road bike laps, junior Tristar races and a Family Fun non competitive option.
Triathlon at Dorney Lake offering Sprint, Standard and Super Sprint races plus aquabike and relay options on a flat lakeside course with British Triathlon membership required.
August 2027
Triathlon at Dorney Lake with Sprint, Standard and Super Sprint races plus aquabike and relay options on a flat, chip timed course at an Olympic venue.
Sprint-distance triathlon at Thorpe Park: a 750 m lake swim, 20 km bike and 5 km run with chip timing, medal, free park admission and support for Macmillan.
Midweek triathlon at Dorney Lake offering sprint, super sprint, aquabike and relay options on a flat lake and bike and run course; British Triathlon membership or race pass required.
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 bikes and flat run/walk routes focused on community and participation.
Triathlon at Dorney Lake on 28 August 2027 offering Sprint, Standard and Super Sprint races plus aquabike and relay options on a flat, chip timed course.
September 2027
A long-running sprint triathlon in Newbury with a 300 m swim, 22 km open road cycle and 5 km canal run; 40th edition on 5 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.