Letterkenny, Donegal
Letterkenny 24/7 Triathlon Club supports swimming, cycling and running in Donegal, from first triathlons to middle-distance racing.
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227 clubs · Page 1 of 5
Dublin
3D Triathlon Club is a North Dublin club founded in 2001, with coached swim, bike and run sessions around the city centre and Phoenix Park.
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East Leake, Nottinghamshire
4Life Triathlon Club offers adult and junior swimming, cycling and running in East Leake, Nottinghamshire, with coached sessions and introductory trials.
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AMS Triathlon, founded in 2011, is a Dublin multisport club serving the Dublin 7 and Dublin 15 areas, from first triathlons to long-distance challenges.
Register this clubAldershot, Hampshire
Aldershot, Farnham & District AC trains at Aldershot Military Stadium and competes in track and field, road running and cross-country.
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Armagh
Armagh Pikekickers Triathlon Club brings swimmers, cyclists and runners together in County Armagh and organises Tri the Orchard at Loughgall.
Register this clubAshford, Kent
Ashford Triathlon Club offers swimming, cycling and running in Ashford, Kent, with coached sessions, social training and a history beginning in 2005.
Register this clubAthlone, Westmeath
Athlone Triathlon Club brings swimming, cycling and running together in Ireland's Midlands, with a junior section and the beginner-focused I TRI’d event.
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Athy Triathlon Club was founded in 2012 in south Kildare, supporting triathlon, duathlon and aquathlon alongside individual swimming, cycling and running goals.
Register this clubBallybunion, Kerry
Ballybunion Triathlon Club brings multisport activity to the north Kerry coast, with a local duathlon and an open route for membership enquiries.
Register this clubBarrow-In-Furness, Westmorland and Furness
Barrow & Furness Striders AC offers junior athletics and senior running on Cumbria's Furness Peninsula, using different summer and winter training venues.
Register this clubBarton-upon-Humber, North Lincolnshire
Barton & District AC combines track and field, road running and cross-country, with roots in the town’s school and cricket-ground athletics.
Register this clubDublin
Belpark Triathlon Club is based around Rathfarnham in south Dublin, with roots in a 1986 running group and a history of national individual and team titles.
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Bexhill Runners & Triathletes brings running and multisport training to adults and juniors in Bexhill-on-Sea, East Sussex.
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Billericay Striders has brought Essex runners together since 1986, with coached training, social runs, junior participation and its own 10K race.
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BRAT brings running, athletics and triathlon together in Birmingham, combining a busy training programme with a club history reaching back to Smethwick Harriers.
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Blackwater Triathlon Club was formed in Fermoy in 2007 and supports triathletes across north and east Cork, from beginners to experienced racers.
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Bolton Triathlon Club offers swimming, cycling and running for adults and juniors, using Leverhulme Park and pools across Bolton, Greater Manchester.
Register this clubKillaloe / Ballina, Clare
Boru Tri Club supports adult swimming, cycling and running around Killaloe, Ballina and Lough Derg.
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Boston & District AC provides athletics in Lincolnshire, with track and field, cross-country, road running and sportshall activities.
Register this clubNewtownabbey, Antrim
Brown Shoes Triathlon Club grew from Newtownabbey's Try a Tri sessions and offers pool coaching, cycling and support for newcomers in Northern Ireland.
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Bude RATs, the Run and Tri club in North Cornwall, welcomes runners of different abilities for social runs, structured training and local trail events.
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Cambridge Triathlon Club offers year-round swim, bike and run training for juniors and adults in Cambridgeshire, from first events to long-distance racing.
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Carlow Triathlon Club offers swimming, cycling and running from Carlow town, with seasonal pool and River Barrow training and support for first-time triathletes.
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Carrick-on-Suir Triathlon Club has a long association with swim, bike and run racing along the River Suir in County Tipperary.
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Castlebar Tri Club is a County Mayo triathlon club with documented involvement in beginner participation and regional swim, bike and run community activity.
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Cavan Triathlon Club serves Cavan and the surrounding area, with documented beginner programmes and investment in swimming-support equipment.
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Central Lancs Running & Triathlon Club, known as CLAN, is listed in Chorley, Lancashire, England, with a documented role in community road races and charity running around Preston.
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Chester Triathlon Club offers swimming, cycling and running for juniors and adults, with a local race programme that includes Deva Divas and the Dee Mile swim.
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Chesterfield & District AC has offered athletics since 1978, with track, field, cross-country and Sportshall training at Tupton Hall School.
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Chesterfield Tri Club brings together swimming, cycling and running in Derbyshire, with community support for newcomers and a council-listed pool session at Queen's Park Sports Centre.
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Chorley Athletic and Triathlon Club is a volunteer-run Lancashire club for running, track and field, race walking, swimming, cycling and multisport.
Register this clubBirmingham
City of Birmingham Striders offers city-centre running, coached sessions and social runs, building on the Yoga Haven running group started in 2012.
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City of Preston Triathlon Club for Juniors introduces young people to swimming, cycling and running, from first sessions to junior racing.
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Clonmel Triathlon Club offers swimming, cycling and running in County Tipperary, with seasonal coaching, junior membership and the Camida sprint triathlon.
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Coalville Triathlon Club offers swimming, cycling and running around north-west Leicestershire, with a run-only option and a club-managed booking platform.
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Cobh Triathlon Club is a volunteer-run swim, bike and run club in County Cork, with a junior section and the Jailbreak triathlon's Spike Island swim.
Register this clubHalesowen, West Midlands
Cobra Running & Triathlon Club offers adult running and swimming in Halesowen, with beginner courses, cross-country teams and seasonal routes over the Clent Hills.
Register this clubThurles, Tipperary
Collins Cycle Centre Triathlon Club is based in Thurles, County Tipperary, with a public club enquiry email and participation in Triathlon Ireland's 2026 Club Community League.
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Cork Triathlon Club offers multisport training and a junior section, with a history shaped by its King of the Hill and Lost Sheep triathlons.
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Coventry Triathletes combines swimming, cycling and running across Coventry, with roots in the Sentridge Club formed in 1989 and its own sprint triathlon.
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Craven Energy is a Skipton triathlon and multisport club offering coached swimming, cycling and running for adults and juniors in North Yorkshire.
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Cromane Triathlon Club is an adult multisport club in County Kerry and a participant in the South-West Ireland tri-club community.
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Crosshaven Triathlon Club serves triathletes in County Cork, with national recognition for its work welcoming beginners and returning athletes.
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Crystal Palace Triathletes supports adult and junior swimming, cycling and running in south-east London, with coached trials and club racing.
Register this clubSwanlinbar, Cavan
Cuilcagh Triathlon Club brings together swimmers, cyclists and runners around Swanlinbar and Cuilcagh Mountain, with a cross-border membership catchment.
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DB Triathlon Club connects swimming, cycling and running in County Cavan, with a documented role in a collaborative lake-swimming series around Cootehill.
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Darlington Triathlon Club offers coached swimming, track running and group cycling, and organises the Teesdale Triathlon in Barnard Castle.
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