Triathlon Calendar United Kingdom 2026-2027
Monthly updates for United Kingdom
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in United Kingdom for 2026-2027! Our updated list features 283 exciting races across the country. Find your next race in United Kingdom below and join the running community at these great events! Search for a location or view races near London, Birmingham, Glasgow, Liverpool, Scotland or Wales.
November 2026
Duathlon at Roadford Lake serving as a European Championship Standard Distance qualifier with chip timing, medals, prizes and camping near Lifton.
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 distances on a flat Olympic-course loop, chip timing, free photos and relay options.
Family-friendly adventure racing at Alice Holt Forest combining biking, running and checkpoint navigation, including a 8 km Wolf Cub Challenge and team entry options.
A winter adventure race in Wiltshire combining trail running and mountain biking with map-and-compass navigation and flexible time-limited courses.
Monthly updates for United Kingdom
Get new running races (and updates) in your inbox every month.
Club duathlon at Betteshanger Country Park on November 15th with pre-booking required, specified entry fees payable by bank transfer and on-site registration at the trackside shelter.
A routed run from Hampstead High Street to Brockwell Park of about half a marathon through London parks and ponds with swims included and a relaxed club atmosphere.
Experience a winter duathlon at Kielder Castle featuring trail runs and red graded mountain bike tracks through the Northumbrian landscape as a solo athlete or in a pair.
Aquathlon at Halesowen Leisure Centre pairs a 400 m pool swim with a 5 km run, chip timed by StuWeb; entry £20 and non members require an £8 BTF Racepass.
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.
A 400 m pool swim and 5 km out and back run at Wombourne Ounsdale Leisure Centre with a relay option, prize categories, and traffic free routes.
Duathlon at Dorney Lake on 12 December 2026 with Super Sprint, Sprint, Standard and relay options on a flat, chip-timed road course.
Duathlon races through Sherwood Pines woodland near Mansfield with sprint and standard formats, live chip timing, finishers' medal and post race refreshments.
Community multisport event in Woodford, Stockport offering swim bike run and sprint duathlon formats with manual timing, on site parking and a mainly flat tarmac course.
January 2027
A New Year triathlon in Edinburgh with a pool swim, cycling and running around Arthur's Seat, plus a separate children s duathlon and a race memento for each entrant.
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.
Duathlon at Dorney Lake on 17 January 2027 offering Super Sprint, Sprint and Standard distances on a flat, chip timed course with relay options.
Duathlon at Airport Inn, Wilmslow, with Sprint and Super Sprint options, out-and-back runs through runway tunnels and bike laps on quiet country lanes.
A map and compass adventure in the Peak District on 30 January 2027 combining trail running and mountain biking with solo and team options and bike hire available.