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Triathlons in UK
Find triathlons in UK in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Mon 25 May
- £60-£85
Tetbury, Gloucestershire
Westonbirt Sprint Triathlon
- 400 m pool swimming
- 23 km road cycling
- 5 km road running
- Sat 30 - Sun 31 May
- £35-£95
Morpeth, Northumberland
Northumberland Festival of Sport
- Lake swim 3
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike
- Standard aquabike
- + 2 more races
- Sun 31 May
- £45-£58
Oakham, Rutland
Uppingham Pool Triathlon
- Sprint triathlon
- Sprint aquabike
- Sprint aquathlon
- Wed 3 Jun
- £10-£45
Carnforth, Lancashire
Capernwray Sprint Tri/Aqua Series/Swim Series - June
- Sprint triathlon
- Sprint aquathlon
- Sprint aquabike
- Lake swim 3
- Sat 13 Jun
- £150-£190
Tredegar, Gwent
Titan Brecon Middle Distance Triathlon
- Half Ironman
- Middle aquabike
- Sat 20 Jun
- £35-£85
Calne, Wiltshire
Bowood House Triathlon
- Sprint triathlon
- Super sprint triathlon 2
- Kids triathlon 3
- Sun 21 Jun
- £39-£58
Sheffield, South Yorkshire
Sheffield Triathlon & Duathlon
- Sprint triathlon
- Sprint duathlon
- Sun 28 Jun
- £38-£350
Hexham, Northumberland
The Northumbrian
- Ironman
- Half Ironman
- Middle aquabike
- Trail run
- 50K ultra run
- Sun 28 Jun
- £10-£20
Brentwood, Essex
The Brentwood Try-a-Tri
- Novice triathlon
- Super sprint duathlon
- Kids triathlon
- Kids duathlon
- Sun 28 Jun
- £34-£222
Jersey
Accuro Jersey Triathlon
- Kids triathlon 4
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Sun 28 Jun
- £69.99-£75
Kingussie, Highland
The Speyside Triathlon
- 500 m lake swimming
- 18 km mountain biking
- 10 km trail running
- Wed 1 Jul
- £10-£45
Carnforth, Lancashire
Capernwray Sprint Tri/Aqua Series/Swim Series - July
- Sprint aquathlon
- Sprint aquabike
- Sprint triathlon
- Lake swim 3
- Sun 5 Jul
- £35-£65
Hitchin, Hertfordshire
Hitchin Triathlon
- Kids triathlon 2
- Novice triathlon
- Sprint triathlon
- Sun 5 Jul
- £20-£35
Chelmsford, Essex
Discovery Open Water Junior Triathlon
- Kids duathlon
- Kids triathlon 4
- Sun 12 Jul
- £45-£179
Eastbourne, East Sussex
Eastbourne Triathlon and Multisport Festival
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Charity swim
- Sprint aquathlon
- + 3 more races
- Sun 19 Jul
- £55-£70
Warwick, Warwickshire
Compton Verney Sprint Triathlon
- Sprint triathlon
- Relay triathlon
- Sun 19 Jul
- £175
Warwick, Warwickshire
On The Edge Middle Distance Triathlon
- 1.9 miles lake swimming
- 56 miles road cycling
- 13.1 miles trail running
- Sun 2 Aug
- £20
Bristol, Gloucestershire
Sri Chinmoy Try-a-Tri
- 200 m pool swimming
- 10 km road cycling
- 3 km trail running