185
Triathlons in UK
Find triathlons near me in UK for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Events near me
Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sat 20 Sep
Caernarfon, Gwynedd, UK
The Brutal Extreme Triathlon | The Brutal Bach Standard
- 0.6 mile lake swimming
- 28.99 miles road cycling
- 9.5 miles trail running
- Sat 20 Sep
Caernarfon, Gwynedd, UK
The Brutal Extreme Triathlon | The Brutal Canol Half
- 1.2 miles lake swimming
- 57.98 miles road cycling
- 14.7 miles trail running
- Sat 20 Sep
Caernarfon, Gwynedd, UK
The Brutal Extreme Triathlon | The Brutal Mawr Full
- 2.4 miles lake swimming
- 115.96 miles road cycling
- 25.1 miles trail running
- Sat 20 Sep
Caernarfon, Gwynedd, UK
The Brutal Extreme Triathlon | The Brutal Cawr Double
- 4.8 miles lake swimming
- 231.92 miles road cycling
- 51.1 miles trail running
- Sun 28 Sep
Stratford-upon-Avon, Warwickshire, UK
Warwickshire Triathlon | Sprint and Relay
- 400 m pool swimming
- 18 km road cycling
- 5 km road running
- Sun 28 Sep
Stratford-upon-Avon, Warwickshire, UK
Warwickshire Triathlon | Fun
- 200 m pool swimming
- 18 km road cycling
- 2.5 km road running
- Sun 28 Sep
Stratford-upon-Avon, Warwickshire, UK
Warwickshire Triathlon | CRUK Wave & Relay
- 200 m pool swimming
- 18 km road cycling
- 2.5 km road running
- Sun 28 Sep
Stratford-upon-Avon, Warwickshire, UK
Warwickshire Triathlon | Super Sprint
- 200 m pool swimming
- 18 km road cycling
- 2.5 km road running
- Sat 4 Oct
Llandudno, Clwyd, UK
Llandudno Triathlon & Duathlon | Standard Triathlon
- 1500 m sea swimming
- 34.75 km road cycling + 2979 ft ascent
- 9.4 km road running + 52 ft ascent
- Sat 4 Oct
Llandudno, Clwyd, UK
Llandudno Triathlon & Duathlon | Sprint Triathlon
- 750 m sea swimming
- 17.5 km road cycling + 1568 ft ascent
- 5 km road running + 26 ft ascent