- Sat 2 - Sun 3 Aug 2025
- £109-£264
- Sat 2 - Sun 3 Aug 2025
- £109-£264
London, UK
London T100
Formerly The London Triathlon, this is one of the world’s biggest triathlons where athletes will race through the capital on a landmark-filled route. London is calling!
- Newcomers
- Event village
- Age 17 & over
- Half Ironman
- Sprint triathlon
- Olympic triathlon
- Sun 17 Aug 2025
- £60-£89
- Sun 17 Aug 2025
- £60-£89
Chesham, Buckinghamshire, UK
Buckinghamshire Triathlon
A fabulous challenging day of triathlon at an accessible location with a range of waves and maximum support for inclusivity all-round, whether complete beginner or seasoned Sprint professional.
- Newcomers
- Event village
- Age 16 & over
- Novice triathlon 3
- Super sprint triathlon
- Sprint triathlon
- Fri 20 Sep
Saundersfoot, Pembrokeshire, UK
Saundersfoot Triathlon
- 750 m sea swimming
- 20 km road cycling
- 5 km multi terrain running
- Sat 21 - Sun 22 Sep
Peebles, Scottish Borders, UK
Peebles Triathlon
- Super sprint triathlon
- Kids triathlon 5
- Sprint triathlon
- Sun 22 Sep
Falmouth, Cornwall, UK
Falmouth Triathlon - The Seal
- Super sprint triathlon
- Sprint triathlon
- Sun 22 Sep
Nantwich, Cheshire, UK
North West Triathlon
- Novice triathlon 2
- Super sprint triathlon
- Sprint triathlon
- Sun 22 Sep
Windsor, Buckinghamshire, UK
Eton Dorney Triathlon
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Sun 22 Sep
Poole, Dorset, UK
Sandbanks Sprint Triathlon
- Sprint aquathlon
- Sprint aquabike
- Sprint triathlon
- Sun 22 Sep
Pwllheli, Gwynedd, UK
Triathlon Pwllheli
- Kids triathlon 5
- Sprint triathlon
- Olympic triathlon
- Sun 22 Sep
Woodhall Spa, Lincolnshire, UK
The Woodhall Spa Sprint Triathlon
- 400 m pool swimming
- 24 km road cycling
- 4.8 km road running
- Sun 22 Sep
Salcombe, Devon, UK
Salcombe Gin Sprint Triathlon
- 700 m sea swimming
- 19 km road cycling
- 3 km trail running
- Sun 22 Sep
Ilkley, West Yorkshire, UK
Ilkley Triathlon
- 500 m pool swimming
- 14.5 km road cycling
- 4.8 km road running
- Sun 22 Sep
Bungay, Suffolk, UK
Autumn Waveney
- 400 m pool swimming
- 20 km road cycling
- 3.2 km road running
- Sun 29 Sep
Llandudno, Clwyd, UK
Llandudno Triathlon
- Sprint triathlon
- Olympic triathlon
- Standard duathlon
- Sun 29 Sep
Tewkesbury, Gloucestershire, UK
Tewkesbury Tri Club Sprint Triathlon
- Sprint triathlon
- Sprint aquabike
- Sun 29 Sep
Loughborough, Leicestershire, UK
East Leake End of Season Triathlon
- Sprint triathlon
- Sprint aquabike
- Sprint aquathlon
- Sun 29 Sep
Brigg, Lincolnshire, UK
Keyo Brigg Sprint Triathlon
- 400 m pool swimming
- 18 km road cycling
- 5 km road running
- Sun 29 Sep
Lochgilphead, Argyll and Bute, UK
MacQueen Bros Mid Argyll Sprint Triathlon
- 500 m pool swimming
- 19 km road cycling
- 6.5 km road running
- Sun 6 Oct
Haverhill, Suffolk, UK
HaverTri - the Adams Harrison Triathlon Festival
- Sprint triathlon 2
- Sprint duathlon 2
- Sprint aquathlon
- Kids aquathlon 5
- Sun 6 Oct
Lydney, Gloucestershire, UK
The Last Tri
- Sprint triathlon
- Olympic triathlon
- Sprint duathlon