Thatcham
Triathlon Calendar near Thatcham 2026-2027
Monthly updates for Thatcham
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Thatcham for 2026-2027! We've gathered 22 exciting races in the area. Check out our detailed list below to find your next local race.
September 2026
Multisport races at Dorney Lake near Windsor offering triathlon, duathlon, aquabike, aquathlon and open swim distances with chip timing and finisher medals.
A long established sprint triathlon in Newbury, Berkshire with a 300 m pool swim, a 22 km open road cycle and a 5 km canal run. Entries must be made in advance and close on 26 August 2026.
Reading Triathlon on Sunday 13 September 2026 offers Sprint, Standard, Aquathlon, Aquabike and new Super Sprint races with open water swim and chip timing.
Multisport races at Henley Showground featuring triathlon, aquabike and open water swims on the River Thames with marked courses and on-site facilities.
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.
Monthly updates for Thatcham
Get new running races (and updates) in your inbox every month.
Triathlon at Dorney Lake on 26 September 2026 offering Super Sprint, Sprint and Standard distances with aquabike and relay options on a mainly flat, chip timed course.
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.
October 2026
Race at a historic Olympic venue with this flat and fast road duathlon. Choose from Super Sprint Standard or Relay distances and enjoy a chip timed course through the scenic grounds of Dorney Lake.
Multi-distance duathlon and triathlon at Dorney Lake with flat, chip-timed bike and run courses, marked routes, spectator viewing and British Triathlon membership required.
Triathlon at Dorney Lake on 3 October 2026 with Super Sprint, Sprint and Standard distances, plus aquabike and relays; calm open water, flat road course, chip-timed results, marshals and an event village with race photos.
Duathlon at Thruxton Race Circuit with sprint and standard distances on a wide smooth tarmac circuit, hosting GB 2027 age group qualifiers.
November 2026
A chip timed duathlon at Dorney Lake with Super Sprint, Sprint and Standard distances on flat road courses. Relay entries for two or three athletes and entry includes a themed medal and free race photos.
Race Super Sprint, Sprint or Standard duathlon at Dorney Lake on a flat, chip timed course with marked laps, helpers and spectator viewing.
December 2026
A chip-timed duathlon at Dorney Lake with Super Sprint, Sprint and Standard formats, relay options, and a flat road course around an Olympic venue. The event includes a themed medal, free photos and an event village with food and partner goodies.
Super Sprint, Sprint or Standard distances at flat, scenic Dorney Lake with marked courses, helper stations, spectator viewing and a British Triathlon race licence requirement.
April 2027
A duathlon at Chieveley Village Hall on 18 April combining a 5 km run, 25 km bike and 5 km run across off road paths and rural roads.
May 2027
Sprint-distance triathlon in Royal Wootton Bassett with a 400 m pool swim, 22 km bike and 5 km run; proceeds support Wiltshire & Bath Air Ambulance.
Marlow Triathlon on 30 May 2027 at Higginson Park features open water River Thames swims, cycling through the Chilterns and riverside runs, with medals and chip timing.
June 2027
Pool swim, rural cycle and grass run around Gillotts School at Henley Leisure Centre on 6 June 2027.
River Thames swim, country roads cycle and a finish past Windsor Castle with sprint and Olympic distances and relay options.