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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, 8 Jul 2023
Outlaw Half Holkham Weekend 2023
Wells-next-the-Sea, Norfolk
10k, half ironman
(11 reviews)
Saturday, 3 Jun 2023
Blenheim Palace Triathlon 2023
Woodstock, Oxfordshire
sprint, super sprint
(49 reviews)
Sunday, 6 Aug 2023
London Triathlon 2023
London, Greater London
olympic, sprint, super sprint
(310 reviews)
Saturday, 29 Jul 2023
Outlaw Nottingham Weekend 2023
Holme Pierrepont, Nottinghamshire
5k, olympic, medium (2–5km)
(49 reviews)
Saturday, 2 Sept 2023
Outlaw X Thoresby Park Weekend 2023
Newark, Nottinghamshire
10k, half ironman
(38 reviews)
Saturday, 20 May 2023
Outlaw Half Nottingham 2023
Holme Pierrepont, Nottinghamshire
(2 reviews)
Sunday, 25 Jun 2023
Eton Dorney Triathlons - June
Windsor, Buckinghamshire
super sprint, sprint, olympic
(39 reviews)
Saturday, 1 Jul 2023
Natures Way Foods Chichester Triathlon Series Weekend
Chichester, West Sussex
olympic, sprint
Sunday, 2 Jul 2023
RunThrough Thorpe Park Sprint Triathlon
Chertsey, Surrey
sprint
Saturday, 8 Jul 2023
Salty Sea Dog Triathlon – July
Bournemouth, Dorset
sprint, super sprint
(35 reviews)
Saturday, 5 Aug 2023
Salty Sea Dog Triathlon – August
Bournemouth, Dorset
sprint, super sprint
(43 reviews)
Saturday, 2 Sept 2023
Outlaw Sprint - Thoresby Park 2023
Newark, Nottinghamshire
10k, sprint
Sunday, 24 Sept 2023
Eton Dorney Triathlons - September
Dorney, Buckinghamshire
super sprint, sprint, olympic
(93 reviews)
Sunday, 9 Apr 2023
Torbay Triathlon Spring
Paignton, Torbay
5k, sprint, super sprint
(9 reviews)
Sunday, 16 Apr 2023
Duston Triathlon
Northampton, Northamptonshire
super sprint
(24 reviews)
Sunday, 23 Apr 2023
Wilmslow Triathlon
Wilmslow, Cheshire East
sprint, super sprint
(53 reviews)
Sunday, 30 Apr 2023
The First Tri
Lydney, Gloucestershire
sprint, olympic
(15 reviews)
Monday, 1 May 2023
Tonbridge Coronation Triathlon
Tonbridge, Kent
5k, olympic, sprint
Monday, 1 May 2023
Winchester Triathlon 2023
Winchester, Hampshire
super sprint, sprint
Friday, 5 May 2023
Bristol Triathlon Series - Race 1
Frampton Cotterell, South Gloucestershire
sprint
Saturday, 6 May 2023
The All Nations Triathlon
Dorney, Buckinghamshire
sprint
(12 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’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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