Triathlons in East of England
Find triathlons near me in East of England 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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Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sun 4 May
- £73
- Sun 4 May
- £73
ATW St Neots Sprint Triathlon | Race 1
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park. The Sprint and Standard are included in the 2024 Eastern Region Series.
- Enter online
- Age 15 & over
- 750 m river swimming
- 24 km road cycling
- 5 km road running
- Sun 4 May
- £94
- Sun 4 May
- £94
ATW St Neots Standard Triathlon | Race 1
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park. The Sprint and Standard are included in the 2024 Eastern Region Series.
- Enter online
- Age 17 & over
- 1500 m river swimming
- 45 km road cycling
- 10 km road running
- Sun 4 May
- £53
- Sun 4 May
- £53
ATW St Neots Super Sprint Triathlon | Race 1
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
- Sun 11 May
- £49
- Sun 11 May
- £49
HSV Sprint Triathlon
This is a great triathlon for all standards, from the absolute beginner right through to the seasoned triathlete. The course is fast, flat and has great PB potential.
- Enter online
- Flat
- PB
- Age 15 & over
- 400 m pool swimming
- 20 km road cycling
- 5 km road running
- Sun 18 May
- £78-£99
- Sun 18 May
- £78-£99
ATW Box End Sprint Triathlon
Stunning watersports venue with immaculate water quality, scenic run route, custom designed medal plus team relay option.
- Enter online
- Age 15 & over
- 750 m lake swimming
- 26 km road cycling
- 5 km road running
- Sun 18 May
- £99-£120
- Sun 18 May
- £99-£120
ATW Box End Standard Triathlon
Stunning watersports venue with immaculate water quality, scenic run route, custom designed medal plus team relay option.
- Enter online
- Age 17 & over
- 1500 m lake swimming
- 40 km road cycling
- 10 km road running
- Sun 18 May
- £120-£140
- Sun 18 May
- £120-£140
ATW Box End Centurion 100km Triathlon
Challenge yourself to tackle a 100km Centurion this year, a distance made popular by the PTO race series. Ideal if you're training for a 70.3 Half-Iron or taking a step up from Standard Distance Tri.
- Enter online
- Undulating
- Age 18 & over
- 2250 m lake swimming
- 80 km road cycling
- 20 km trail running
- Sun 1 Jun
- £165-£186
- Sun 1 Jun
- £165-£186
ATW Grafman Middle Distance Triathlon
Take on a superb middle distance triathlon at the fantastic Grafham Water. Suitable for all abilites, with a challenging, but achievable course, and custom medal at the finish line.
- Chip timing
- Enter online
- Undulating
- Age 18 & over
- 1900 m lake swimming
- 90 km road cycling + 1844 ft ascent
- 21 km multi terrain running + 253 ft ascent
- Sun 15 Jun
- £73-£95
- Sun 15 Jun
- £73-£95
ATW Stewartby Lake Sprint Triathlon
Located at the Stewartby Sailing Club this venue is perfect for triathlon and was host to a sold-out GB team qualifier event in 2023, with probably the fastest bike leg in the country!
- Enter online
- Flat
- Traffic free
- Age 15 & over
- 750 m lake swimming
- 20 km road cycling
- 5 km road running
- Sun 15 Jun
- £94-£115
- Sun 15 Jun
- £94-£115
ATW Stewartby Lake Standard Triathlon
Located at the Stewartby Sailing Club this venue is perfect for triathlon and was host to a sold-out GB team qualifier event in 2023, with probably the fastest bike leg in the country!
- Enter online
- Flat
- Traffic free
- Age 17 & over
- 1500 m lake swimming
- 37 km road cycling
- 10 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
- 3.8 km river swimming
- 180 km road cycling
- 26.2 miles 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 18 & over
- 1900 m river swimming
- 90 km road cycling
- 21.1 km road running
- Sun 6 Jul
- £73
- Sun 6 Jul
- £73
ATW St Neots Sprint Triathlon | Race 1
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park. The Sprint and Standard are included in the 2024 Eastern Region Series.
- Enter online
- Age 15 & over
- 750 m river swimming
- 24 km road cycling
- 5 km road running
- Sun 6 Jul
- £94
- Sun 6 Jul
- £94
ATW St Neots Standard Triathlon | Race 1
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park. The Sprint and Standard are included in the 2024 Eastern Region Series.
- Enter online
- Age 17 & over
- 1500 m river swimming
- 45 km road cycling
- 10 km road running
- Sun 6 Jul
- £53
- Sun 6 Jul
- £53
ATW St Neots Super Sprint Triathlon | Race 1
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
- Sun 10 Aug
- £73
- Sun 10 Aug
- £73
ATW St Neots Sprint Triathlon | Race 1
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park. The Sprint and Standard are included in the 2024 Eastern Region Series.
- Enter online
- Age 15 & over
- 750 m river swimming
- 24 km road cycling
- 5 km road running
- Sun 10 Aug
- £94
- Sun 10 Aug
- £94
ATW St Neots Standard Triathlon | Race 1
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park. The Sprint and Standard are included in the 2024 Eastern Region Series.
- Enter online
- Age 17 & over
- 1500 m river swimming
- 45 km road cycling
- 10 km road running
- Sun 10 Aug
- £53
- Sun 10 Aug
- £53
ATW St Neots Super Sprint Triathlon | Race 1
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
- Sun 17 Aug
- £53-£55
- Sun 17 Aug
- £53-£55
ATW Oundle Super Sprint Distance Triathlon
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Triathlon! It doesn’t matter if you are an experienced triathlete or this is your very first attempt at swim-bike-run.
- Chip timing
- Enter online
- Age 15 & over
- 400 m pool swimming
- 13 km road cycling
- 2.5 km trail running
- Sun 17 Aug
- £73-£95
- Sun 17 Aug
- £73-£95
ATW Oundle Sprint Distance Triathlon
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Triathlon! It doesn’t matter if you are an experienced triathlete or this is your very first attempt at swim-bike-run.
- Chip timing
- Enter online
- Age 15 & over
- 600 m pool swimming
- 25 km road cycling
- 5 km trail running
- Sun 17 Aug
- £16-£20
- Sun 17 Aug
- £16-£20
ATW Oundle Children’s Triathlon | Tristart
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.
- Chip timing
- Enter online
- Age 8 & over
- 50 m pool swimming
- 800 m mountain biking
- 600 m trail running
- Sun 17 Aug
- £24-£28
- Sun 17 Aug
- £24-£28
ATW Oundle Children’s Triathlon | Tristar 1
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.
- Chip timing
- Enter online
- Age 9-10
- 150 m pool swimming
- 2 km mountain biking
- 1.2 km trail running
- Sun 17 Aug
- £24-£28
- Sun 17 Aug
- £24-£28
ATW Oundle Children’s Triathlon | Tristar 2
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.
- Chip timing
- Enter online
- Age 11-12
- 200 m pool swimming
- 4 km mountain biking
- 1.8 km trail running
- Sun 17 Aug
- £24-£28
- Sun 17 Aug
- £24-£28
ATW Oundle Children’s Triathlon | Tristar 3
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.
- Chip timing
- Enter online
- Age 13-14
- 300 m pool swimming
- 6 km mountain biking
- 2.4 km trail running
- Sun 17 Aug
- £24-£28
- Sun 17 Aug
- £24-£28
ATW Oundle Children’s Triathlon | Youth
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.
- Chip timing
- Enter online
- Age 15-16
- 400 m pool swimming
- 8 km mountain biking
- 3 km trail running