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 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 19 Jul
- £100-£150
- Sat 19 Jul
- £100-£150
Belvoir Castle | Sprint Triathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Sprint Triathlon! Celebrate in the festival village afterwards.
- Chip timing
- Enter online
- Age 15 & over
- 750 m lake swimming
- 20 km road cycling + 632 ft ascent
- 5 km road running + 281 ft ascent
- Sat 19 Jul
- £95-£145
- Sat 19 Jul
- £95-£145
Belvoir Castle | Super Sprint Triathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Super Sprint Triathlon! Celebrate in the festival village afterwards.
- Chip timing
- Enter online
- Age 15 & over
- 400 m lake swimming
- 20 km road cycling + 632 ft ascent
- 4 km road running + 248 ft ascent
- Sat 19 Jul
- £80-£120
- Sat 19 Jul
- £80-£120
Cholmondeley Castle | Starter Triathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Starter Triathon! Celebrate in the festival village afterwards.
- Chip timing
- Enter online
- Age 15 & over
- 200 m lake swimming
- 13 km road cycling
- 2.5 km road running + 196 ft ascent
- Sat 19 Jul
- £40-£60
- Sat 19 Jul
- £40-£60
Belvoir Castle | Triathlon 11-12 years
Get the family active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.
- Chip timing
- Enter online
- Age 11-12
- 300 m lake swimming
- 4 km road cycling
- 1.6 km road running
- Sat 19 Jul
- £35-£60
- Sat 19 Jul
- £35-£60
Belvoir Castle | Triathlon 9-10 years
Get the family active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.
- Chip timing
- Enter online
- Age 9-10
- 200 m lake swimming
- 4.2 km road cycling
- 1.3 km road running
- Sun 20 Jul
- 1 charity
- Sun 20 Jul
- 1 charity
TriBourne Festival of Endurance | Full Distance Triathlon
Award winning full and middle-distance triathlons, plus a marathon, long-distance swims, aquabike options and triathlon relays.
- Enter online
- Age 18 & over
- 2.4 miles sea swimming
- 112 miles road cycling
- 26.2 miles trail running
- Sun 20 Jul
- 1 charity
- Sun 20 Jul
- 1 charity
TriBourne Festival of Endurance | Middle Distance Triathlon
Award winning full and middle-distance triathlons, plus a marathon, long-distance swims, aquabike options and triathlon relays.
- Enter online
- Age 18 & over
- 1.2 miles sea swimming
- 56 miles road cycling
- 13.1 miles trail running
- Sun 20 Jul
- £245-£295
- Sun 20 Jul
- £245-£295
Belvoir Castle | Gauntlet Triathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the epic Gauntlet Triathlon! Celebrate in the festival village afterwards.
- Chip timing
- Enter online
- Age 18 & over
- 1.9 km lake swimming
- 90 km road cycling + 957 ft ascent
- 21 km road running
- Sun 20 Jul
- £55
- Sun 20 Jul
- £55
Clevedon Triathlon
An amazing celebration weekend of swim-bike-run using the magnificent Marine Lake with the glorious Victorian Clevedon Pier as the backdrop, sea views, promenade and top reviews!
- Newcomers
- Chip timing
- Enter online
- Event village
- Coast
- Age 14 & over
- 750 m lake swimming
- 20 km road cycling
- 5 km multi terrain running
- Sun 20 Jul
- £125-£165
- Sun 20 Jul
- £125-£165
Belvoir Castle | Olympic Triathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in an Olympic Triathlon! Celebrate in the festival village afterwards.
- Chip timing
- Enter online
- Age 17 & over
- 1.5 km lake swimming
- 45 km road cycling + 957 ft ascent
- 10.5 km road running + 615 ft ascent
- Sun 20 Jul
- £50-£60
- Sun 20 Jul
- £50-£60
Belvoir Castle | Triathlon 15-16 years
Race through the beautiful castle grounds in an event for all levels - even beginners. Recruit your friends to join in too then celebrate afterwards in the festival village.
- Chip timing
- Enter online
- Age 15-16
- 500 m lake swimming
- 8 km road cycling
- 2.4 km road running
- Sun 20 Jul
- £45-£60
- Sun 20 Jul
- £45-£60
Belvoir Castle | Triathlon 13-14 years
Get the family active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.
- Chip timing
- Enter online
- Age 13-14
- 400 m lake swimming
- 8 km road cycling
- 2.4 km road running
- Sun 27 Jul
- FREE-£99
- Sun 27 Jul
- FREE-£99
Dorney Triathlon | July | Sprint Triathlon
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
- 750 m lake swimming
- 20 km road cycling
- 5 km road running
- Sun 27 Jul
- £99-£120
- Sun 27 Jul
- £99-£120
Dorney Triathlon | July | Standard Triathlon
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
Dorney Triathlon | July | Super Sprint Triathlon
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
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