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Triathlons
By far the most popular multidisciplinary sport, a triathlon combines swimming, cycling and running in sequence - with five officially recognised distances and plenty more for the fun of it. The five official distances are: Sprint (750m swim, 20km bike, 5km run), Olympic (1.5km swim, 40km bike, 10km run); ITU Long (3km swim, 80km bike, 20km run); Half/Middle-Distance/70.3/Half-Ironman (1.9km swim, 90km bike, 21.1km run); Full/Ironman (3.8km swim, 180km bike, 42.2km run). ‘Unofficial’ distances include Super-Sprint or Mini Triathlons (400m swim, a 10km bike, 2.5km run) or Ultra Triathlons (generally referring to all triathlon events with a distance that is a multiple of the Ironman Triathlon). So, whether it’s your very first tri or your 50th, there are incredible events for all levels running up and down the whole country. Check them out below...
Saturday, Aug 6, 2022
London Triathlon
London, Greater London
olympic, sprint
(157 reviews)
Saturday, May 28, 2022
Blenheim Palace Triathlon
Blenheim Palace Grounds, Oxfordshire
sprint, super sprint
(18 reviews)
Monday, May 1, 2023
Winchester Triathlon 2023
Winchester, Hampshire
super sprint, sprint
Saturday, Jun 11, 2022
The SportPursuit Slateman10 Triathlon & Duathlon
Llanberis, Gwynedd
olympic, sprint, half ironman, super sprint, medium (2–5km)
(1 reviews)
Saturday, Jun 11, 2022
Eastbourne Triathlon
Eastbourne
sprint
Saturday, Jun 11, 2022
Adventure Championships Triathlon & Duathlon
Wales
sprint, super sprint
Sunday, Jun 26, 2022
Eton Dorney Triathlons
Windsor, Buckinghamshire
super sprint, sprint, olympic
Sunday, Jul 10, 2022
Ironbourne Triathlons and Aquabikes
Eastbourne
ironman, half ironman
Saturday, Jul 30, 2022
The Snowman Triathlon & Duathlon
Betws-y-Coed, Conwy
half ironman, sprint, super sprint
(1 reviews)
Sunday, Sep 4, 2022
Belvoir Castle Triathlon
Grantham, Leicestershire
olympic, sprint, super sprint
Saturday, Sep 10, 2022
Superfeet Sandman Triathlon & Duathlon
Llanfairpwllgwyngyll, Isle of Anglesey
super sprint, sprint, half ironman, olympic
Saturday, Sep 17, 2022
Brighton & Hove Triathlon
Hove, Brighton and Hove
super sprint, sprint
Sunday, Sep 25, 2022
Eton Dorney Triathlons
Windsor
super sprint, sprint, olympic
(4 reviews)
Sunday, Jul 2, 2023
RunThrough Goodwood Duathlon - July 2023
Chichester, West Sussex
sprint, olympic
Sunday, Sep 3, 2023
RunThrough Goodwood Duathlon - September 2023
Chichester, West Sussex
sprint, olympic
Saturday, Jun 4, 2022
Salty Sea Dog Triathlon – June
Bournemouth, Dorset
super sprint
Sunday, Jun 12, 2022
Staunton Harold Triathlon & Children's Aquathlons
Ashby-de-la-Zouch, Leicestershire
sprint, super sprint
Sunday, Jun 12, 2022
Dartmouth Triathlon
Dartmouth, Devon
sprint, super sprint
Sunday, Jun 12, 2022
Dartmouth Open Water Swim
Blackpool, Devon
sprint, super sprint
(30 reviews)
Saturday, Jun 18, 2022
Abersoch Triathlon & 1k Beach Sprint
Abersoch, Gwynedd
olympic, sprint
Sunday, Jun 19, 2022
Allerthorpe Sprint & Supersprint Triathlon
Allerthorpe, East Riding of Yorkshire
sprint, super sprint
Sunday, Jun 19, 2022
Wild Boar Middle Distance & Olympic
Wotton-under-Edge, South Gloucestershire
olympic, half ironman
Sunday, Jun 26, 2022
WMD - Weymouth Triathlon
Weymouth, Dorset
half ironman, olympic, sprint
(2 reviews)
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 you need to know about Triathlons
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, however, if you want to be competitive you should practice your transitions as they can make a big difference to your time. Our 8 week sprint triathlon training plan will get you up to speed. If you are well prepared you could expect to finish a Super-Sprint in under an hour and the Sprint in under 90 minutes.
Olympic (1.5k, 40k, 10k) distance triathlons are the standard distance for international competition. To be competitive here, you’ll need to take your training seriously. We recommend following our 12 week middle distance triathlon training plan (designed for Half Ironman preparation) to get you in shape. If you want to compete in a big name event, the ITU World Triathlon event in Leeds is one of the most popular in the UK, and you’ll get to see some of the worlds best competing for the World Series title. 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. IRONMAN UK and the Outlaw Triathlon are among the UK’s favourites. 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.
Kit
To compete in a triathlon you’ll need the right gear. We’ve written a blog post on 33 essential items to pack for a triathlon, which highlights what you really need and why. Don’t forget your swim cap!
Triathlon Event Distances
Triathlon Event Types
Nearby Triathlon Events
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