UK Triathlon Events Found
View all ↓Triathlons
Triathlons combine swimming, cycling and running into one of the most popular all-round physical challenges. There are a huge variety of types of triathlons to choose from in terms of distances, cycle and run terrain options, and whether the swim is in a pool, in open water (eg lake) or even the sea.
Triathlon distances:
Super Sprint Triathlons: 400m swim; 10km bike; 2.5km run.
Sprint Triathlons: 750m swim; 20km bike; 5km run.
Olympic Triathlons (aka Standard Triathlons): 1500m swim; 40km bike; 10km run.
Half Ironman Triathlons: 1.9km swim; 90km bike; 21.1km run. (This distance is also known as a “70.3” which refers to the total race distance in miles.)
Ironman™ Triathlons: 3.86km (2.4 mile) swim; 180.25km (112 mile) bike; 42.2km (26.2 mile) run. As Ironman™ is a trademark, these are also known as ‘Iron distance’ events.
Find a Race lists more than 450 triathlons every year. So whether you’re new to the sport and looking for your first Super Sprint triathlon or a hardened triathlete looking for a Double Ironman distance event, check out our comprehensive full 2024 - 2025 triathlon list below, or if you know which distance you want to search for use the links above.
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Triathlons
Slateman Triathlon & Duathlon
Caernarfon, GwyneddSnowman Duathlon & Triathlon
Betws-y-Coed, Conwy Principal AreaSuperfeet Sandman - Triathlon & Duathlon
Llanfairpwllgwyngyll, GwyneddQuestars Summer Adventure Race Series - Race 2
Dorney Triathlon- May 2024
ATW St Neots Triathlon - Race 1
Riverside Park, Regatta Meadow, St Neots, Cambridgeshire, PE19 7ABTonbridge Triathlon 2024
Tonbridge, KentThe All Nations Triathlon
Windsor, BerkshireMumbles Triathlon
Knabb Rock, MumblesWeston Park Triathlon & Duathlon
Shifnal, ShropshireATW Box End Mixed Team Relay
Box End Lakes,Box End Rd, Bedford MK43 8RNCheshire Triathlon 2024
Nantwich, Cheshire EastATW Box End Triathlon
Box End Lakes,Box End Rd, Bedford MK43 8RNATW Centurion 100KM Triathlon Box End
Box End Lakes,Box End Rd, Bedford MK43 8RNThe Castle Race Series - Lough Cutra Triathlon, Duathlon, Aquathlon, Aquabike & Junior Races
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