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Triathlons
By far the most popular multidisciplinary sport, a triathlon combines swimming, cycling and running in sequence. There are five officially recognised distances and plenty more for the fun of it. Whether it’s your very first triathlon or your 50th, there are incredible events for all levels running up and down the whole country. Find hundreds of the best UK triathlon events on Let’s Do This, with races to book for every level. No matter which time of the year you’re looking to compete, discover triathlons near you today.
Saturday, Aug 5, 2023
London Triathlon 2023
London, Greater London
olympic, sprint, super sprint
Saturday, Sep 3, 2022
Outlaw Half Bowood Weekend
Derry Hill, Wiltshire
10k, half ironman
Sunday, Sep 4, 2022
Belvoir Castle Triathlon
Grantham, Leicestershire
olympic, sprint, super sprint
Saturday, Jun 3, 2023
Blenheim Palace Triathlon 2023
Woodstock, Oxfordshire
sprint, super sprint
Sunday, Sep 4, 2022
Bala Standard Triathlon
Bala, Gwynedd
olympic
Saturday, Sep 24, 2022
Outlaw X Thoresby Park Weekend
Newark, Nottinghamshire
10k, half ironman
(1 reviews)
Sunday, Sep 25, 2022
East Leake 'End of Season' Triathlon
East Leake, Nottinghamshire
sprint
Sunday, Sep 25, 2022
Eton Dorney Triathlons - September
Windsor
super sprint, sprint, olympic
(4 reviews)
Sunday, Aug 21, 2022
Blithfield Sprint Triathlon & Aquabike
Abbots Bromley, Staffordshire
super sprint
Sunday, Aug 28, 2022
Dorney Triathlon - August
Windsor, Buckinghamshire
super sprint, sprint, olympic
(6 reviews)
Saturday, Sep 3, 2022
THE ROC Summer Championships
Abersoch, Gwynedd
Saturday, Sep 10, 2022
TRI Challenge Triathlon
Windsor, Buckinghamshire
sprint
Saturday, Sep 10, 2022
Superfeet Sandman Triathlon & Duathlon
Llanfairpwllgwyngyll, Isle of Anglesey
super sprint, sprint, half ironman, olympic
Sunday, Sep 11, 2022
Autumn Waveney Super Sprint Triathlon
Bungay, Suffolk
sprint
Sunday, Sep 11, 2022
Roadford Lake Triathlon
Broadwoodwidger, Devon
super sprint, sprint, olympic, medium (2–5km)
Sunday, Sep 11, 2022
South Manchester Triathlon 2022
Wilmslow, Cheshire East
5k, super sprint, sprint
Sunday, Sep 11, 2022
Exmouth Openwater Sprint Triathlon
Exmouth, Devon
sprint, olympic
(4 reviews)
Wednesday, Sep 14, 2022
Cromhall Evening Tri Series - September
Cromhall, South Gloucestershire
sprint, super sprint
Saturday, Sep 17, 2022
Brighton & Hove Triathlon
Hove, Brighton and Hove
super sprint, sprint
Sunday, Sep 18, 2022
31st Derby Triathlon
Etwall, Derbyshire
super sprint
Sunday, Sep 18, 2022
Sandbanks Sprint Triathlon - June
Poole, Dorset
sprint
Sunday, Sep 18, 2022
Newport Sprint & Olympic Triathlon
Newport, Newport
super sprint, sprint, olympic
Sunday, Sep 25, 2022
Triathlon Llandudno
Llandudno, Conwy Principal Area
super sprint
Triathlons in the UK
The triathlon is a multi-sport event combining swimming, cycling and running. The length and duration of these events can vary greatly, ranging from just a few miles to 140 plus. In addition, conditions in competition can differ from event to event. The swim could be in an indoor pool or the sea, and cycling or running on flat coastal roads or rolling countryside hills.
The UK plays host to some of the best triathlon events in the world. Large scale events such as the ITU Worlds Triathlon Leeds and London Triathlon host athletes of all levels of experience with big crowds building a buzzing atmosphere.
What’s the best UK triathlon event for me?
On Let's Do This, you can refine your search for a triathlon by exploring different race distances.
The Super-Sprint distance (400m, 10k, 2.5k) and Sprint distance (750m, 20k, 5k) triathlons are great for beginners looking to explore multi-sport. These events can be attempted without much prior training. But if you want to be competitive you should practice your transitions as they can make a big difference to your time.
Olympic distance triathlons (1.5k, 40k, 10k) are the standard distance for international competition. To be competitive here, you’ll need to take your training seriously. If you can finish one of these in under 3 hours, kudos to you.
The final two distances are the Middle Distance / Half Ironman (1.9k, 90k, 21.1k) and the Full Distance / Ironman (3.8k, 180k, 42.2k). Finishing these events is an achievement in itself. If you have trained well for a Half Ironman you could be pushing for under 6 hours for men and 7 for women. For the full distance, anything under the 17hr cut off point is a solid accomplishment, but under 13 hours (men) and 14 hours (women) deserves serious respect.
Triathlon Event Distances
Triathlon Event Types
Nearby Triathlon Events
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