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.
- Wed 2 Jul
- £58
- Wed 2 Jul
- £58
Midweek Dorney Super Sprint Triathlon
Take on this multi-activity 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
- Traffic free
- Age 15 & over
- 400 m lake swimming
- 10 km road cycling
- 2.5 km road running
- Wed 2 Jul
- £78
- Wed 2 Jul
- £78
Midweek Dorney Sprint Triathlon
Take on this multi-activity 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
- Traffic free
- Age 15 & over
- 750 m lake swimming
- 20 km road cycling
- 5 km road running
- Sat 5 Jul
- £275-£295
- Sat 5 Jul
- £275-£295
ATW Odyssey Full Distance Triathlon
Complete your own Odyssey on a journey of self-discovery in the Cambridgeshire countryside featuring a swim in the River Ouse, a scenic ride and a run around the beautiful town of St Neots.
- Enter online
- Undulating
- Age 19 & over
- 3800 m river swimming
- 180 km road cycling
- 42.2 km road running
- Sat 5 Jul
- £155-£175
- Sat 5 Jul
- £155-£175
ATW Odyssey Half Distance Triathlon
Complete your own Odyssey on a journey of self-discovery in the Cambridgeshire countryside featuring a swim in the River Ouse, a scenic ride and a run around the beautiful town of St Neots.
- Enter online
- Undulating
- Age 19 & over
- 1900 m river swimming
- 90 km road cycling
- 21.1 km road running
- Sun 6 Jul
- £85
- Sun 6 Jul
- £85
ATW Bristol Triathlon | Sprint Triathlon
ATW presents the Bristol Sprint Triathlon, one of the UK's most-popular 'closed-road' triathlon events, in a vibrant city known for its culture, creativity and green spaces.
- Chip timing
- Enter online
- Traffic free
- Age 15 & over
- 750 m river swimming
- 22 km road cycling
- 5 km road running
- Sun 6 Jul
- £105-£125
- Sun 6 Jul
- £105-£125
ATW Bristol Triathlon | Standard Triathlon
ATW presents the Bristol Standard Triathlon, one of the UK's most-popular 'closed-road' triathlon events, in a vibrant city known for its culture, creativity and green spaces.
- Chip timing
- Enter online
- Traffic free
- Age 17 & over
- 1500 m lake swimming
- 34 km road cycling
- 10 km road running
- Sun 6 Jul
- £78
- Sun 6 Jul
- £78
ATW St Neots Sprint Triathlon | Race 2
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Sprint Triathlon.
- Enter online
- Age 15 & over
- 750 m river swimming
- 24 km road cycling
- 5 km road running
- Sun 6 Jul
- £99-£120
- Sun 6 Jul
- £99-£120
ATW St Neots Standard Triathlon | Race 2
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Standard Triathlon.
- Enter online
- Age 17 & over
- 1500 m river swimming
- 45 km road cycling
- 10 km road running
- Sun 6 Jul
- £58
- Sun 6 Jul
- £58
ATW St Neots Super Sprint Triathlon | Race 2
Swim in the beautiful River Ouse, cycle through scenic villages, run around Riverside Park and complete a Super Sprint Triathlon with the encouragement of fellow sportspeople and spectators!
- Enter online
- Age 15 & over
- 400 m river swimming
- 8 km road cycling
- 2.5 km road running
- Sat 12 Jul
- £22.50-£25
- Sat 12 Jul
- £22.50-£25
Ripon Triathlon Festival | TriStar Start
Ripon is unique as the only open-water junior racing in the Yorkshire series! So give your juniors the most exciting triathlon experience this year. Bike and run are traffic-free on grass surface.
- Enter online
- Flat
- Traffic free
- Age 8-8
- 100 m lake swimming
- 1000 m mountain biking
- 600 m multi terrain running
- Sat 12 Jul
- £25-£27.50
- Sat 12 Jul
- £25-£27.50
Ripon Triathlon Festival | TriStar 1
Ripon is unique as the only open-water junior racing in the Yorkshire series! So give your juniors the most exciting triathlon experience this year. Bike and run are traffic-free on grass surface.
- Enter online
- Flat
- Traffic free
- Age 9-10
- 200 m lake swimming
- 2000 m mountain biking
- 1200 m xc running
- Sat 12 Jul
- £25-£27.50
- Sat 12 Jul
- £25-£27.50
Ripon Triathlon Festival | TriStar 2
Ripon is unique as the only open-water junior racing in the Yorkshire series! So give your juniors the most exciting triathlon experience this year. Bike and run are traffic-free on grass surface.
- Enter online
- Flat
- Traffic free
- Age 11-12
- 300 m lake swimming
- 4000 m mountain biking
- 1800 m xc running
- Sat 12 Jul
- £27.50-£30
- Sat 12 Jul
- £27.50-£30
Ripon Triathlon Festival | TriStar 3
Ripon is unique as the only open-water junior racing in the Yorkshire series! So give your juniors the most exciting triathlon experience this year. Bike and run are traffic-free on grass surface.
- Enter online
- Flat
- Traffic free
- Age 13-14
- 500 m lake swimming
- 6000 m mountain biking
- 2400 m xc running
- Sat 12 Jul
- £27.50-£30
- Sat 12 Jul
- £27.50-£30
Ripon Triathlon Festival | Youth
Ripon is unique as the only open-water junior racing in the Yorkshire series! So give your juniors the most exciting triathlon experience this year. Bike and run are traffic-free on grass surface.
- Enter online
- Flat
- Traffic free
- Age 15-16
- 500 m lake swimming
- 6000 m mountain biking
- 2400 m xc running
- Sun 13 Jul
- £78
- Sun 13 Jul
- £78
Dorney Sprint Triathlon
Take on this multi-activity 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
- 750 m lake swimming
- 20 km road cycling
- 5 km road running
- Sun 13 Jul
- £99-£120
- Sun 13 Jul
- £99-£120
Dorney Standard Triathlon
Take on this multi-activity 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 13 Jul
- £67-£80
- Sun 13 Jul
- £67-£80
Ripon Triathlon Festival | Sprint Triathlon
Fun, flat and brilliant for every ability. A shorter, more accessible format of the sport, making it an excellent entry point for beginners and a fast-paced challenge for experienced athletes.
- Enter online
- Age 15 & over
- 750 m lake swimming
- 20 km road cycling
- 5 km road running
- Sun 13 Jul
- £58
- Sun 13 Jul
- £58
Dorney Super Sprint Triathlon
Take on this multi-activity 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
- Sun 13 Jul
- £80-£95
- Sun 13 Jul
- £80-£95
Ripon Triathlon Festival | Standard Triathlon
One of the most popular distances within the sport of triathlon, catering to both amateur and professional athletes, striking a balance between speed and endurance.
- Enter online
- Age 18 & over
- 1.5 km lake swimming
- 40 km road cycling
- 10 km road running
- Sat 19 Jul
- £265-£295
- Sat 19 Jul
- £265-£295
Castle To Coast Triathlon
Swim, bike, run your way from Windsor Castle to Brighton on this unique, non-competitive, point-to-point adventure through the North & South Downs. Fully way-marked (no navigation) and full support.
- Newcomers
- Chip timing
- Enter online
- Event village
- Rural
- Age 18 & over
- 1.2 miles lake swimming
- 67 miles road cycling
- 14 miles trail running
- Sat 19 Jul
- £115-£155
- Sat 19 Jul
- £115-£155
Belvoir Castle | Sprint Plus Triathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Sprint Plus Triathlon! Celebrate in the festival village afterwards.
- Chip timing
- Enter online
- Age 17 & over
- 800 m lake swimming
- 40 km road cycling
- 8 km road running
- Sat 5 Jul
FixAddiction Summer Super Sprint Triathlon
- 400 m lake swimming
- 20 km road cycling
- 5 km road running
- Sat 5 Jul
FixAddiction Summer Sprint Triathlon
- 750 m pool swimming
- 20 km road cycling
- 5 km road running
- Sun 6 Jul
Croyde Ocean Olympic Triathlon
- 1.5 km sea swimming
- 37 km road cycling
- 12 km trail running
- Sun 6 Jul
Croyde Ocean Sprint Triathlon
- 750 m sea swimming
- 18.5 km road cycling
- 5.5 km trail running