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Triathlons in East of England

Find triathlons near me in East of England for 2024/2025 - 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.

Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.
  • Sun 4 May 2025
  • £53-£94
  • Sun 4 May 2025
  • £53-£94
Saint Neots, Cambridgeshire, UK

ATW St Neots Triathlon | Race 1

Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.

  • Newcomers
  • Event village
  • Park
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Standard aquabike
A choice of multi-sports events including triathlon, relay triathlon and aquabike at a stunning watersports venue with immaculate water quality, scenic routes, a custom designed medal and much more.
  • Sat 17 - Sun 18 May 2025
  • £68-£140
  • Sat 17 - Sun 18 May 2025
  • £68-£140
Bedford, Bedfordshire, UK

ATW Box End Triathlon

A choice of multi-sports events including triathlon, relay triathlon and aquabike at a stunning watersports venue with immaculate water quality, scenic routes, a custom designed medal and much more.

  • Newcomers
  • Event village
  • Park
  • Age 15 & over
  • Sprint triathlon
  • Sprint aquabike
  • Olympic triathlon
  • Standard aquabike
  • Relay 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.
  • Sun 18 May 2025
  • £120-£140
  • Sun 18 May 2025
  • £120-£140
Bedford, Bedfordshire, UK

ATW Centurion 100KM Triathlon Box End

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.

  • Newcomers
  • Undulating
  • Event village
  • Park
  • Sustainability policy
  • Age 18 & over
  • 2250 m lake swimming
  • 80 km road cycling
  • 20 km trail running
One of the country’s most popular middle distance swim-bike-run events, delivered by triathletes for triathletes, at the beautiful and iconic Grafham Water.
  • Sun 1 Jun 2025
  • £145-£186
  • Sun 1 Jun 2025
  • £145-£186
Huntingdon, Cambridgeshire, UK

ATW Grafman Middle Distance Triathlon & Aquabike

One of the country’s most popular middle distance swim-bike-run events, delivered by triathletes for triathletes, at the beautiful and iconic Grafham Water.

  • Recycling
  • Newcomers
  • Event village
  • Park
  • Rural
  • Sustainability policy
  • Age 18 & over
  • Half Ironman
  • Standard aquabike
Located at the Stewartby Sailing Club this venue is perfect for triathlon and aquabike 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 2025
  • £62-£115
  • Sun 15 Jun 2025
  • £62-£115
Bedford, Bedfordshire, UK

ATW Stewartby Lake Triathlon & Aquabike

Located at the Stewartby Sailing Club this venue is perfect for triathlon and aquabike and was host to a sold-out GB team qualifier event in 2023, with probably the fastest bike leg in the country!

  • Recycling
  • Newcomers
  • Plastic bottle free
  • Event village
  • Park
  • Sustainability policy
  • Age 15 & over
  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • Standard aquabike
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 2025
  • £130-£270
  • Sat 5 Jul 2025
  • £130-£270
Saint Neots, Cambridgeshire, UK

ATW Odyssey 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.

  • Families
  • Recycling
  • Entertainment
  • Music
  • Event village
  • Park
  • Rural
  • Sustainability policy
  • Age 18 & over
  • Ironman
  • Half Ironman
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.
  • Sun 6 Jul 2025
  • £53-£94
  • Sun 6 Jul 2025
  • £53-£94
Saint Neots, Cambridgeshire, UK

ATW St Neots Triathlon | Race 2

Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.

  • Newcomers
  • Event village
  • Park
  • Age 15 & over
  • Sprint triathlon
  • Olympic triathlon
  • Standard aquabike
  • Super sprint triathlon
  • Sprint aquabike
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.
  • Sun 10 Aug 2025
  • £53-£94
  • Sun 10 Aug 2025
  • £53-£94
Saint Neots, Cambridgeshire, UK

ATW St Neots Triathlon | Race 3

Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.

  • Newcomers
  • Event village
  • Park
  • Age 15 & over
  • Sprint triathlon
  • Olympic triathlon
  • Standard aquabike
  • Super sprint 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.
  • Sun 17 Aug 2025
  • £53-£95
  • Sun 17 Aug 2025
  • £53-£95
Peterborough, Northamptonshire, UK

ATW Oundle 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.

  • Newcomers
  • Event village
  • Age 15 & over
  • Super sprint triathlon
  • Sprint triathlon
  • Sprint aquabike
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 2025
  • £16-£28
  • Sun 17 Aug 2025
  • £16-£28
Peterborough, Northamptonshire, UK

ATW Oundle Children’s Triathlon

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.

  • Families
  • Newcomers
  • Event village
  • Age 8 & over
  • Kids triathlon 5
The Big East and Maldon Triathlon is brought to you by the largest triathlon organiser in the UK! A great experience featuring a tidal river swim.
  • Sun 21 Sep 2025
  • £73-£175
  • Sun 21 Sep 2025
  • £73-£175
Maldon, Essex, UK

ATW Big East & Maldon Triathlon

The Big East and Maldon Triathlon is brought to you by the largest triathlon organiser in the UK! A great experience featuring a tidal river swim.

  • Newcomers
  • Event village
  • Park
  • Age 15 & over
  • Sprint triathlon
  • Olympic triathlon
  • Standard aquabike
  • Half Ironman
  • Middle aquabike

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