8

Triathlons in East of England in September 2025

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

Filter by month

Filter by place

Map

Event listings

Select an event for photos, video, route, location, reviews, entry fees and how to enter.

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
  • 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

Search options

Back to search options