UK Triathlon Race Calendar: April and May 2026

The UK triathlon season is well and truly under way in 2026. From sprint distances to championship events, April and May offer a packed racing schedule for athletes of every ability. Here’s your guide to the key events across England, Scotland, and Wales over the next two months.

April 2026

12 April — Portland, Dorset: Sprint and Standard distance triathlon on the stunning Jurassic Coast. Portland is one of the most scenic race venues in the UK, with a sea swim, technical bike leg, and run along the iconic Chesil Beach area.
19 April — Stratford-upon-Avon: A popular midlands event with flat, fast courses making it ideal for setting a new PB. Sprint and Standard distances available.
26 April — Brigg, North Lincolnshire: Flat fenland course, great for first-timers and those looking for a quick time.
26 April — Wilmslow, Cheshire: Sprint distance event in the heart of Cheshire, attracting a strong field of club athletes from the North West.

May 2026

3 May — XTERRA Weston Park (English Cross Triathlon Championships): The UK’s premier off-road triathlon event, held at the spectacular Weston Park estate in Shropshire. This is a championship event featuring open water swimming, mountain bike cycling, and trail running through woodland. Suitable for those who want a different challenge to road triathlon.
9-10 May — Nantwich, Cheshire: Two-day festival of triathlon including Sprint, Standard, and Middle distance options. A well-organised event with a great atmosphere.
10 May — Burghley Multisport Weekend (English Standard Distance Duathlon Championships): Based at the magnificent Burghley House in Lincolnshire, this event incorporates the English Standard Distance Duathlon Championships alongside open age group racing.
16 May — Glasgow, Bellahouston Leisure Centre and Park: Sprint and Standard distance racing in Scotland’s largest city, with the city park providing a scenic backdrop.
24 May — One on the River, Marlow (Standard Distance Aquabike): An aquabike event (swim and bike, no run) on the River Thames at Marlow. Perfect for athletes focusing on swim-bike strength or returning from a running injury.
31 May — Northumberland Festival of Sport (Standard Distance Triathlon): Sprint and Standard options in the spectacular Northumberland countryside.

Tips for Spring Racing

Water temperatures: UK open water in April and May typically ranges from 10-15°C. A wetsuit is almost always required and strongly recommended even where optional — beyond buoyancy, neoprene provides thermal protection in these conditions.
Register early: Popular events like Portland and Nantwich sell out months in advance. Check race websites now for 2026 entry availability.
Check the British Triathlon events database at britishtriathlon.org for the full national calendar, including age group championship events and qualification races.