Sonning Common
Triathlon Calendar near Sonning Common 2026-2027
Monthly updates for Sonning Common
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Sonning Common for 2026-2027! We've gathered 31 exciting races in the area. Check out our detailed list below to find your next local race.
October 2026
Duathlon and triathlon races at Dorney Lake on flat, chip timed courses with Super Sprint, Sprint and Standard distances plus relay and aquabike options.
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.
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.
Monthly updates for Sonning Common
Get new running races (and updates) in your inbox every month.
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
Duathlon at Chieveley Village Hall on 18 April 2027 featuring a 5 km run, 25 km bike and 5 km run with on-site parking and refreshments.
June 2027
Two-day triathlon at Blenheim Palace with Sprint and SuperSprint races, lake swim, closed road bike, parkland run, finish line festival and team programme.
Pool-based triathlon in Henley-on-Thames on 6 June 2027 with indoor swim, rural bike route and grass run across multiple distance options.
River Thames swim, country roads cycle and a finish past Windsor Castle with sprint and Olympic distances and relay options.
September 2027
A 20K event on 5 September 2027 combining three Thames swim sections with three cross country runs through Wytham Woods, with three feed stations and post race cafe.