Chalfont Saint Giles
Triathlon Calendar near Chalfont Saint Giles 2026-2027
Monthly updates for Chalfont Saint Giles
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Chalfont Saint Giles for 2026-2027! We've gathered 43 exciting races in the area. Check out our detailed list below to find your next local race.
June 2027
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
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 Olympic course; the event is draft illegal.
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.
Monthly updates for Chalfont Saint Giles
Get new running races (and updates) in your inbox every month.
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 on 24 July 2027 from Dorney Lake near Windsor to Brighton seafront with a 1.2 mile swim, about 67 mile bike and about 14 mile 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 offering Sprint, Standard and Super Sprint distances with aquabike and relay options on a flat, chip timed course.
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 with Super Sprint, Sprint, Standard, aquabike and relay options on a flat lake course with chip timing and wetsuit hire available.
Multi-distance triathlon weekend in London featuring the T100 100 km race and Olympic distance events, freshwater swim with mandatory wetsuits, flat bike and run, and relay teams.
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 offering Sprint, Standard, Super Sprint, aquabike and relay options on a flat chip timed course; British Triathlon membership required.
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.
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.
Triathlon at Dorney Lake offering Sprint Standard and Super Sprint races plus aquabike and 2 or 3 person relays on a flat, chip timed course.