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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.

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.
  • Sun 4 May
  • £73
  • Sun 4 May
  • £73
Saint Neots, Cambridgeshire, UK

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
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.
  • Sun 4 May
  • £94
  • Sun 4 May
  • £94
Saint Neots, Cambridgeshire, UK

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
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!
  • Sun 4 May
  • £53
  • Sun 4 May
  • £53
Saint Neots, Cambridgeshire, UK

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
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.
  • Sun 11 May
  • £49
  • Sun 11 May
  • £49
Hatfield, Hertfordshire, UK

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
Stunning watersports venue with immaculate water quality, scenic run route, custom designed medal plus team relay option.
  • Sun 18 May
  • £78-£99
  • Sun 18 May
  • £78-£99
Bedford, Bedfordshire, UK

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
Stunning watersports venue with immaculate water quality, scenic run route, custom designed medal plus team relay option.
  • Sun 18 May
  • £99-£120
  • Sun 18 May
  • £99-£120
Bedford, Bedfordshire, UK

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
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.
  • Sun 18 May
  • £120-£140
  • Sun 18 May
  • £120-£140
Bedford, Bedfordshire, UK

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
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.
  • Sun 1 Jun
  • £165-£186
  • Sun 1 Jun
  • £165-£186
Huntingdon, Cambridgeshire, UK

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
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!
  • Sun 15 Jun
  • £73-£95
  • Sun 15 Jun
  • £73-£95
Bedford, Bedfordshire, UK

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
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!
  • Sun 15 Jun
  • £94-£115
  • Sun 15 Jun
  • £94-£115
Bedford, Bedfordshire, UK

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
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.
  • Sat 5 Jul
  • £275-£295
  • Sat 5 Jul
  • £275-£295
Saint Neots, Cambridgeshire, UK

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
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.
  • Sat 5 Jul
  • £155-£175
  • Sat 5 Jul
  • £155-£175
Saint Neots, Cambridgeshire, UK

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
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.
  • Sun 6 Jul
  • £73
  • Sun 6 Jul
  • £73
Saint Neots, Cambridgeshire, UK

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
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.
  • Sun 6 Jul
  • £94
  • Sun 6 Jul
  • £94
Saint Neots, Cambridgeshire, UK

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
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!
  • Sun 6 Jul
  • £53
  • Sun 6 Jul
  • £53
Saint Neots, Cambridgeshire, UK

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
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.
  • Sun 10 Aug
  • £73
  • Sun 10 Aug
  • £73
Saint Neots, Cambridgeshire, UK

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
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.
  • Sun 10 Aug
  • £94
  • Sun 10 Aug
  • £94
Saint Neots, Cambridgeshire, UK

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
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!
  • Sun 10 Aug
  • £53
  • Sun 10 Aug
  • £53
Saint Neots, Cambridgeshire, UK

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
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.
  • Sun 17 Aug
  • £53-£55
  • Sun 17 Aug
  • £53-£55
Peterborough, Northamptonshire, UK

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
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.
  • Sun 17 Aug
  • £73-£95
  • Sun 17 Aug
  • £73-£95
Peterborough, Northamptonshire, UK

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
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.
  • Sun 17 Aug
  • £16-£20
  • Sun 17 Aug
  • £16-£20
Peterborough, Northamptonshire, UK

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
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.
  • Sun 17 Aug
  • £24-£28
  • Sun 17 Aug
  • £24-£28
Peterborough, Northamptonshire, UK

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
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.
  • Sun 17 Aug
  • £24-£28
  • Sun 17 Aug
  • £24-£28
Peterborough, Northamptonshire, UK

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
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.
  • Sun 17 Aug
  • £24-£28
  • Sun 17 Aug
  • £24-£28
Peterborough, Northamptonshire, UK

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
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.
  • Sun 17 Aug
  • £24-£28
  • Sun 17 Aug
  • £24-£28
Peterborough, Northamptonshire, UK

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

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