Triathlons in the United Kingdom
Find triathlons in the United Kingdom. Compare 14 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Events to explore include 2027 - Ribby Hall Triathlon, Stratford Triathlon 2027 and Cheshire Triathlon 2027.
63 listed events · 14 with upcoming dates · 1 upcoming featured races
Upcoming triathlons
14 matching events, earliest date first. Entry availability is shown separately.
2027 - Ribby Hall Triathlon
ENGPreston, England
Join us for the 2027 Ribby Hall Triathlon on April 18 in Preston, Lancashire! Experience a beginner-friendly pool-based triathlon featuring a scenic…
Race details, entry and past editions →Entry information ↗Stratford Triathlon 2027
ENGStratford-upon-Avon, England
This exciting event brings together athletes of all levels to compete in swimming, cycling and running in the beautiful town of Stratford. Whether…
Race details, entry and past editions →Entry information ↗Cheshire Triathlon 2027
ENGNantwich, England
Join the excitement at the Cheshire Triathlon on May 9, 2027, in Nantwich! Perfect for all skill levels, enjoy a fun atmosphere, great facilities, and…
Race details, entry and past editions →Entry information ↗Race the Sun South Downs
ENGSeaford, England
Join us on May 15, 2027, in Seaford, East Sussex for Race the Sun South Downs! Bike, hike, and paddle through stunning landscapes. Embrace the challenge!
Race details, entry and past editions →Entry information ↗Henley Triathlon 2027
ENGHenley-on-Thames, England
Join us at this popular event taking place at Henley Leisure Centre and within the grounds of Gillotts School. Henley-on-Thames is perhaps best known…
Race details, entry and past editions →Entry information ↗IRONMAN 70.3 Bolton
ENGBolton, Greater Manchester
Official IRONMAN 70.3 middle-distance triathlon in Bolton.
· 70.3 · Entry closed
Race details, entry and past editions →Norwich Triathlon
ENGNorwich, Norfolk
Open-water triathlon at Whitlingham Country Park, with sprint, standard and aquabike races.
· Triathlon · Status TBC
Race details, entry and past editions →Royal Windsor Triathlon
ENGWindsor, Berkshire
Sprint, standard and relay triathlons through Windsor and Windsor Great Park.
· Standard Triathlon
Race details, entry and past editions →Entry information ↗Shropshire Triathlon 2027
ENGEllesmere, England
Join the Shropshire Triathlon on June 19, 2027, in Ellesmere, Shropshire! Experience a scenic swim, bike, and run in a stunning park. Sign up now!
Race details, entry and past editions →Entry information ↗Race the Sun Jurassic Coast
ENGSwanage, England
Join us for Race the Sun Jurassic Coast on June 26, 2027, in Swanage, Dorset! Bike 21 miles, hike 10 miles, and canoe 2 miles while supporting charity.…
Race details, entry and past editions →Entry information ↗2027 - Upton Tri + Duathlon
ENGWorcester, England
Join us for the 2027 Upton Tri + Duathlon on July 10 in Worcester! Experience thrilling swim, bike, and run races with sprint and standard options.…
Race details, entry and past editions →Entry information ↗Race the Sun Chilterns
ENGReading, England
Join the Race the Sun Chilterns on July 10, 2027, in Reading! Experience an exhilarating triathlon challenge with biking, hiking, and paddling through…
Race details, entry and past editions →Entry information ↗IRONMAN 70.3 Swansea
WALSwansea
Official IRONMAN 70.3 middle-distance triathlon in Swansea.
· 70.3 · Entry closed
Race details, entry and past editions →Race the Sun Lake District
ENGKeswick, England
Join us for the Race the Sun Lake District on September 4, 2027, in Keswick! Tackle a thrilling triathlon of biking, hiking, and paddling amidst…
Race details, entry and past editions →Entry information ↗Featured races in United Kingdom
AthRecs editorial selections and events recorded in major or final series. These are also included by date in the calendar above.
Norwich Triathlon
ENGNorwich, Norfolk
Open-water triathlon at Whitlingham Country Park, with sprint, standard and aquabike races.
· Triathlon · Status TBC
Race details, entry and past editions →Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
2026 - Fleetwood Triathlon
ENGFleetwood, England
Join us for the 2026 Fleetwood Triathlon on September 13 in Lancashire! Experience a fast, flat course with pool swims and options for all ages.…
Next date not listed
Race guide and recorded editions →2026 Wilmslow Autumn Triathlon
ENGWilmslow, England
Join us for the 2026 Wilmslow Autumn Triathlon on September 20th in Cheshire East! Perfect for beginners and seasoned athletes, enjoy a scenic swim,…
Next date not listed
Race guide and recorded editions →Aberfeldy Multisport Festival 2026
SCOKenmore, Scotland
Aberfeldy Multisport Festival 2026 — Kenmore. Listed on Results Base (Triathlon).
Next date not listed
Race guide and recorded editions →Alderford Triathlon 2026
ENGWhitchurch, England
Join us for the Alderford Triathlon on September 6, 2026, in Whitchurch, Shropshire! Swim, bike, and run in a stunning settingpush your limits and…
Next date not listed
Race guide and recorded editions →ATW Grafham Triathlon
ENGGrafham Water Visitor Centre, England
Join the ATW Grafham Triathlon on September 26, 2026, at Grafham Water! Choose from Standard (1500m swim, 38km bike, 10km run) or Sprint (750m swim,…
Next date not listed
Race guide and recorded editions →ATW Oundle Childrens Triathlon
ENGOundle School, England
Join us for the ATW Oundle Childrens Triathlon on August 16, 2026! Experience a thrilling race in a stunning venue with distances for all ages. Sign up…
Next date not listed
Race guide and recorded editions →Browse states, counties and areas
Choosing a race in United Kingdom
The unfiltered upcoming calendar includes events in Bolton (1), Ellesmere (1), Henley-on-Thames (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about triathlons in United Kingdom
Which triathlons are coming up in the United Kingdom?
2027 - Ribby Hall Triathlon is listed for 18 April 2027. Stratford Triathlon 2027 is listed for 18 April 2027. Cheshire Triathlon 2027 is listed for 9 May 2027. Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for the United Kingdom?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.