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Triathlons in UK in July 2025
Find triathlons near me in UK in July 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Click an event for full event details, location, route, sustainability, what's included and how to enter.

- Sun 27 Jul
- £99-£120
- Sun 27 Jul
- £99-£120
Windsor, Buckinghamshire, UK
Dorney Triathlon | July | Standard
Take on a multi-activity or distance event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 17 & over
- 1500 m lake swimming
- 40 km road cycling
- 10 km road running

- Sun 27 Jul
- £58
- Sun 27 Jul
- £58
Windsor, Buckinghamshire, UK
Dorney Triathlon | July | Super Sprint
Take on a multi-activity or distance event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 15 & over
- 400 m lake swimming
- 10 km road cycling
- 2.5 km road running
- Wed 16 Jul
Swindon, Wiltshire, UK
Cotswolds Lake 62 Evening Triathlon Series - Race 3 | Triathlon
- 400 m lake swimming
- 12.5 km road cycling + 105 ft ascent
- 4.5 km trail running + 69 ft ascent
- Sat 19 Jul
Sutton Coldfield, West Midlands, UK
Birmingham Triathlon | Olympic & Relay
- 1500 km lake swimming
- 40 km road cycling
- 10 km trail running
- Sat 19 Jul
Sutton Coldfield, West Midlands, UK
Birmingham Triathlon | Sprint & Relay
- 750 m lake swimming
- 20 km road cycling
- 5 km trail running
- Sat 19 Jul
Sutton Coldfield, West Midlands, UK
Birmingham Triathlon | Fun
- 200 m lake swimming
- 10 km road cycling
- 2.5 km trail running
- Sat 19 Jul
Sutton Coldfield, West Midlands, UK
Birmingham Triathlon | Super Sprint
- 200 m lake swimming
- 10 km road cycling
- 2.5 km trail running
- Sun 20 Jul
Warwick, Warwickshire, UK
Compton Verney Sprint Triathlon
- 400 m lake swimming
- 21.5 km road cycling
- 5 km multi terrain running
- Sun 20 Jul
Warwick, Warwickshire, UK
On The Edge Middle Distance Triathlon
- 1.2 miles pool swimming
- 56 miles road cycling
- 13.1 miles road running
- Sun 27 Jul
Nottingham, Nottinghamshire, UK
Outlaw Nottingham Weekend | Outlaw Nottingham
- 2.4 miles lake swimming
- 112 miles road cycling + 2934 ft ascent
- 26.2 miles road running + 640 ft ascent