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.
March 2027
Duathlons at Druridge Bay Country Park with sprint and standard distances on lakeside runs and a flat coastal bike route; registration opens November 2026.
A duathlon at Margam Country Park combining trail runs around the castle and lake with rolling road bike courses featuring short climbs and fast flat sections.
A spring duathlon in Ely with two 4 km runs and a 26 km bike across a flat fenland course and a former WW2 airfield.
Duathlon at Oulton Park Circuit with closed-circuit cycling, multiple run-bike-run distances, an afternoon 5k, and finisher medal and goody bag.
Duathlon at East Fortune race track on 21 March 2027 featuring draft-legal and non-drafting sprint and junior races on a closed circuit with chip timing.
Monthly updates for United Kingdom
Get new running races (and updates) in your inbox every month.
Race 3 of the Tewkesbury Tri Aquathlon Series at Tewkesbury Leisure Centre features a 400 m pool swim and a 5 km undulating off road run with free parking and accessible facilities.
Run, bike, run formats at Par Athletics Track on 27 March 2027 with a mostly closed 5k bike circuit and spectator friendly viewing.
April 2027
Dorney Lake duathlon with Super Sprint, Sprint and Standard distances, relay options and chip timed results on a flat road course.
Two team relay triathlons at Torbay Velopark feature a standard team relay and a mixed team relay with lap based swim, bike and run legs.
Duathlon races at Bramham Park feature sprint and standard distances across woodland trails and quiet country lanes with chip timing and on site parking.
Pool sprint triathlon at East Leake Leisure Centre on 4 April 2027 with a 400m swim, 22 km bike and 5 km run plus aquathlon, aquabike and relay options.
Duathlon at Scone Palace in Perth combining trail running in the estate with road cycling through Perthshire; Sprint and Standard distances available.
Pool-based, traffic-free triathlon at Torbay Velopark with sprint, junior Tristar and mini distances, team relays, chip timing and medals for all.
Sprint triathlon and aquathlon at Haverfordwest Leisure Centre on 11 April 2027 with a 400 m swim, 17 km bike and 5 km run; relay entries available.
Halesowen Triathlon on 11 April 2027 features aquabike, sprint triathlon, sprint relay and aquathlon races with online entry and listed entry fees.
A multi-race triathlon festival in Cupar with pool swims, closed-road cycling and mixed-terrain runs plus junior Tristars categories and chip timing.
An early season sprint triathlon in Portland featuring a 300m pool swim, a 15.2km bike lap toward Portland Bill and a flat 5km out and back run.
A multisport event at Cheltenham Lido with aquathlon and triathlon options, pool swims and outdoor bike and run routes through Sandford Park and Cheltenham.
Weekend multisport at Bamburgh Castle with Sprint and Standard duathlons, a new 10 km trail run and coastal cycle routes.