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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, 1 Jun 2024
Blenheim Palace Triathlon 2024
Woodstock, Oxfordshire
sprint, super sprint
(162 reviews)
Saturday, 18 May 2024
Outlaw Half Nottingham Weekend 2024
Holme Pierrepont, Nottinghamshire
super sprint
(129 reviews)
Sunday, 28 Jul 2024
Challenge London 2024
London, Greater London
super sprint, sprint, olympic
Saturday, 6 Jul 2024
Outlaw Half Holkham Weekend 2024
Wells-next-the-Sea, Norfolk
10k, super sprint, half ironman
(167 reviews)
Saturday, 27 Jul 2024
Outlaw Nottingham Weekend 2024
Holme Pierrepont, Nottinghamshire
5k, olympic, medium (2–5km)
(230 reviews)
Sunday, 8 Oct 2023
The Last Tri
Lydney, Gloucestershire
sprint, olympic
(22 reviews)
Monday, 6 Nov 2023
An Evening with Jonny Brownlee MBE
Oswestry, Shropshire
super sprint
(68 reviews)
Sunday, 19 May 2024
Outlaw Series Ticket 2024
Holme Pierrepont, Nottinghamshire
10k
Saturday, 7 Sept 2024
Outlaw Half Thoresby Weekend 2024
Newark, Nottinghamshire
5k, 10k, super sprint, half ironman
(38 reviews)
Saturday, 7 Oct 2023
Torbay Triathlon Relay - Autumn
Paignton, Torbay
olympic
Sunday, 8 Oct 2023
Torbay Triathlon Autumn
Paignton, Torbay
sprint, super sprint
(12 reviews)
Friday, 29 Mar 2024
Radley Triathlon 2024
Radley, Oxfordshire
sprint
(30 reviews)
Sunday, 21 Apr 2024
Wilmslow Spring Triathlon 2024
Wilmslow, Cheshire East
sprint, super sprint
(109 reviews)
Sunday, 28 Apr 2024
The First Tri
Lydney, Gloucestershire
sprint, olympic
(60 reviews)
Monday, 6 May 2024
Winchester Triathlon 2024
Winchester, Hampshire
super sprint, sprint
(31 reviews)
Saturday, 11 May 2024
THE ROC Wales - Spring
Abersoch, Gwynedd
super sprint
Sunday, 19 May 2024
Roadford Lake Triathlon
Broadwoodwidger, Devon
super sprint, sprint, olympic, medium (2–5km), short (0–2km)
(2 reviews)
Saturday, 8 Jun 2024
Dartmouth Open Water Swim
Dartmouth, Devon
sprint, super sprint
(30 reviews)
Sunday, 9 Jun 2024
Dartmouth Triathlon
Dartmouth, Devon
sprint, olympic, super sprint
(5 reviews)
Sunday, 16 Jun 2024
SWMA Wild Boar 70.3 & Olympic Triathlon 2024
Cromhall, South Gloucestershire
10k
(33 reviews)
Sunday, 16 Jun 2024
Eastbourne Triathlon
Eastbourne, East Sussex
5k, sprint, short (0–2km)
(6 reviews)
Saturday, 22 Jun 2024
Abersoch Triathlon 2024
Abersoch, Gwynedd
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’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.