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 308 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 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 score format event in Wiltshire combining trail running and mountain biking with map and compass navigation and bike hire available from £42.
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.
Monthly updates for United Kingdom
Get new running races (and updates) in your inbox every month.
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
A winter adventure race in the Surrey Hills combining trail running and mountain biking with map and compass navigation, multiple time-based options 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.
Timed races from 5k to 50k at Goodwood Motor Circuit on 6 December 2026 with chip timing, free photos, an event village and measured laps on traffic free tarmac.
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 community triathlon in Edinburgh on 1 January 2027 with a 400 m swim, 11 mile cycle and 3.5 mile run, plus relay and a children's duathlon for 8 to 15 year olds.
Trail running and mountain biking in the Chilterns with map and compass navigation, multiple timed race options and bike hire available.
Duathlon at Dorney Lake on 17 January 2027 offering Super Sprint, Sprint and Standard distances on a flat, chip timed course with relay options.
A welcoming duathlon near Manchester Airport with Sprint and Super Sprint options, a run through runway tunnels and bike routes on quiet country lanes.
Trail runs and sprint and standard duathlons through Salcey Forest on 17 January 2027, with fully off-road runs, road cycling legs, chip timing, and finisher medals.
A Peak District winter adventure combining trail running and mountain biking with map and compass navigation, multiple event options and bike hire available.