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Triathlons in East of England

Find triathlons near me in East of England for 2025/2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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Athletes of all levels are guaranteed to enjoy the Sprint Triathlon at this fantastic venue that has been used for award-winning triathlons, national championships and GB qualifier races!
  • Sat 13 Sep
  • £78
  • Sat 13 Sep
  • £78
Huntingdon, Cambridgeshire, UK

ATW Grafham Sprint Triathlon

Athletes of all levels are guaranteed to enjoy the Sprint Triathlon at this fantastic venue that has been used for award-winning triathlons, national championships and GB qualifier races!

  • Chip timing
  • Enter online
  • Flat
  • Age 15 & over
  • 750 m lake swimming
  • 17 km road cycling + 384 ft ascent
  • 5 km road running + 33 ft ascent
Athletes of all levels are guaranteed to enjoy The Standard Triathlon at this fantastic venue that has been used for award-winning triathlons, national championships and GB qualifier races!
  • Sat 13 Sep
  • £99-£120
  • Sat 13 Sep
  • £99-£120
Huntingdon, Cambridgeshire, UK

ATW Grafham Standard Triathlon

Athletes of all levels are guaranteed to enjoy The Standard Triathlon at this fantastic venue that has been used for award-winning triathlons, national championships and GB qualifier races!

  • Chip timing
  • Enter online
  • Age 17 & over
  • 1500 m lake swimming
  • 38 km road cycling + 748 ft ascent
  • 10 km road running
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
  • £99-£120
  • Sun 21 Sep
  • £99-£120
Maldon, Essex, UK

ATW Big East & Maldon Standard 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.

  • Enter online
  • Undulating
  • Age 17 & over
  • 1500 m river swimming
  • 40 km road cycling + 479 ft ascent
  • 10 km trail running + 86 ft ascent
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
  • £160-£180
  • Sun 21 Sep
  • £160-£180
Maldon, Essex, UK

Big East Middle Distance 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.

  • Enter online
  • Undulating
  • Age 18 & over
  • 1500 m river swimming
  • 86 km road cycling + 1112 ft ascent
  • 20 km trail running + 172 ft ascent
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
  • £78-£99
  • Sun 21 Sep
  • £78-£99
Maldon, Essex, UK

ATW Big East & Maldon Sprint 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.

  • Enter online
  • Undulating
  • Age 15 & over
  • 750 m river swimming
  • 25 km road cycling + 230 ft ascent
  • 5 km trail running + 43 ft ascent
Stunning watersports venue with immaculate water quality, scenic run route, custom designed medal plus team relay option.
  • Sun 24 May 2026
  • £73-£99
  • Sun 24 May 2026
  • £73-£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 + 558 ft ascent
  • 5 km road running + 85 ft ascent
Stunning watersports venue with immaculate water quality, scenic run route, custom designed medal plus team relay option.
  • Sun 24 May 2026
  • £94-£115
  • Sun 24 May 2026
  • £94-£115
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 + 837 ft ascent
  • 10 km road running + 170 ft ascent
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 24 May 2026
  • £120-£135
  • Sun 24 May 2026
  • £120-£135
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
  • 81 km road cycling + 1674 ft ascent
  • 20 km trail running + 340 ft ascent
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 7 Jun 2026
  • £155-£175
  • Sun 7 Jun 2026
  • £155-£175
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 + 1680 ft ascent
  • 21 km multi terrain running + 0 ft ascent
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 8 Aug 2026
  • £250-£270
  • Sat 8 Aug 2026
  • £250-£270
St. 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
  • 3800 m river swimming
  • 180 km road cycling + 3320 ft ascent
  • 42.2 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 8 Aug 2026
  • £130-£150
  • Sat 8 Aug 2026
  • £130-£150
St. 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 19 & over
  • 1900 m river swimming
  • 90 km road cycling + 1686 ft ascent
  • 21.1 km road running
  • Sun 21 Sep
Sudbury, Suffolk, UK

Sudbury Triathlon | Sprint Triathlon

  • 400 m pool swimming
  • 23 km road cycling
  • 5 km trail running
  • Sun 21 Sep
Bungay, Suffolk, UK

Autumn Waveney

  • 400 m pool swimming
  • 20 km road cycling
  • 3.2 km road running
  • Sun 21 Sep
Aldeburgh, Suffolk, UK

Aldeburgh Fun Team Relay Triathlon

  • 750 m sea swimming
  • 22 km road cycling
  • 5 km trail running

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