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Olympic triathlons (standard distance) in UK in September 2025

Find olympic triathlons (standard distance) near me in UK in September 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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Get involved in this Grafham Triathlon, brought to you by the largest triathlon organiser in the UK!
  • Sat 13 Sep
  • £94-£115
  • Sat 13 Sep
  • £94-£115
Huntingdon, Cambridgeshire, UK

ATW Grafham Standard Triathlon

Get involved in this Grafham Triathlon, brought to you by the largest triathlon organiser in the UK!

  • Chip timing
  • Enter online
  • Age 17 & over
  • 1500 m lake swimming
  • 38 km road cycling
  • 10 km road running
Join the Aviemore Triathlon in the beautiful Cairgorms and enjoy an open water swim in the cool, calm waters of Loch Morlich and enjoy mountain biking and running on the trails of Glenmore Forest.
  • Sun 14 Sep
  • £83-£98
  • Sun 14 Sep
  • £83-£98
Aviemore, Highland, UK

Aviemore Triathlon | Long Hard Durty

Join the Aviemore Triathlon in the beautiful Cairgorms and enjoy an open water swim in the cool, calm waters of Loch Morlich and enjoy mountain biking and running on the trails of Glenmore Forest.

  • Chip timing
  • Enter online
  • Hilly
  • Age 15 & over
  • 1000 m lake swimming
  • 18 km mountain biking
  • 9 km trail running
The Olympic venue, Eton Dorney, offers pan-flat, traffic-free roads and a beautiful clear lake for Standard-distance triathletes to enjoy in an exclusive setting.
  • Sun 21 Sep
  • £82-£97
  • Sun 21 Sep
  • £82-£97
Windsor, Buckinghamshire, UK

Eton Dorney Standard Triathlon

The Olympic venue, Eton Dorney, offers pan-flat, traffic-free roads and a beautiful clear lake for Standard-distance triathletes to enjoy in an exclusive setting.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
  • 1.5 km lake swimming
  • 40 km road cycling
  • 10 km trail 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
  • £94-£115
  • Sun 21 Sep
  • £94-£115
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
  • 10 km trail running
Take on a multi-activity or distance event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
  • Sat 27 Sep
  • £99-£120
  • Sat 27 Sep
  • £99-£120
Windsor, Buckinghamshire, UK

Dorney Triathlon | September | Standard Triathlon

Take on a multi-activity or distance event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 17 & over
  • 1500 m lake swimming
  • 40 km road cycling
  • 10 km road running
  • Sun 7 Sep
Penrith, Cumbria, UK

Helvellyn Triathlon

  • 1.5 km lake swimming
  • 59 km road cycling
  • 15 km trail running
  • Sun 28 Sep
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival | Triathlon Olympic

  • 1.5 km lake swimming
  • 40 km road cycling
  • 10.5 km road running
  • Sun 28 Sep
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival | Aquathlon Standard

  • 1.5 km lake swimming
  • 10 km road running

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