South East (England)
Triathlon Calendar South East (England) 2026-2027
Monthly updates for South East (England)
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in South East (England) for 2026-2027! Our updated list features 55 exciting races across the region. Find your next race in South East (England) below and join the running community at these great events!
November 2026
Duathlon relay and solo races at Cyclopark Gravesend on a traffic free tarmac circuit, with shortened relay distances and limited team and solo entries.
Duathlon at Dorney Lake with Super Sprint, Sprint and Standard races on a flat, chip timed course at an Olympic venue, draft illegal and British Triathlon licence required.
Short off-road adventure races at Alice Holt Forest combining cycling and running, including an 8 km Wolf Cub Challenge suitable for all ages.
A club duathlon at Betteshanger Country Park on 15 November with pre-booking, small entry fees, required contact details and three recommended start groups.
December 2026
Map and compass adventure in the Surrey Hills on 5 December 2026, with run and bike options for solo entrants or teams and bike hire available.
Monthly updates for South East (England)
Get new running races (and updates) in your inbox every month.
Super Sprint, Sprint and Standard duathlon races at Dorney Lake on a flat, chip timed multi-lap course with spectator viewing and required British Triathlon membership.
January 2027
Trail running and mountain biking in the Chilterns on 9 January 2027 with score-format navigation, solo or team entries and options from 2 hour to 5 hour events.
Draft illegal duathlon at Dorney Lake offering Super Sprint, Sprint and Standard distances on a flat multi lap course with spectator facilities.
February 2027
Duathlon at Dorney Lake with Super Sprint, Sprint and Standard distances on a flat, chip timed course that is draft illegal and spectator friendly.
A club duathlon at Betteshanger Country Park on 7 February 2027 with pre-booking, small entry fees, free parking with car registration and required emergency contact details.
Multi-discipline duathlon and off-road endurance races at Henley Showground on 7 February 2027, with marked courses, chip timing and on-course support.
Third round of the Winter Duathlon Series at Betteshanger Country Park with pre-booking, tiered entry fees, and three recommended starting groups based on expected finish durations.
March 2027
Indoor pool swim with poolside transition followed by a seafront run in Littlehampton, offered in two distances with age categories and prizes.
Three-distance duathlon at Dorney Lake with flat chip-timed bike and run courses, spectator viewing, and British Triathlon licence requirements.
Final round of the Winter Duathlon Series at Betteshanger Country Park on 14 March 2027, with three recommended start groups and pre-booking required.
April 2027
Duathlon at Dorney Lake with Super Sprint, Sprint and Standard distances on a flat, chip-timed course, with spectator viewing and British Triathlon licence required.
Pool-based sprint triathlon at Applemore Leisure Centre: 400 m swim, 21 km bike through the New Forest and a 5 km run to Dibden Purlieu.
A duathlon at Chieveley Village Hall on 18 April 2027 combining two 5 km runs with a 25 km bike leg and on-site parking and refreshments.
May 2027
Triathlon at Dorney Lake with Sprint, Standard and Super Sprint races plus aquabike and team relays on a flat Olympic venue; British Triathlon membership required.
Multi terrain duathlon in Fareham on 2 May 2027 with trail running, road cycling and three distance options starting and finishing at Henry Cort Community College.