23 Triathlons in South East in September 2024

Find triathlons in and around South East in September 2024 - search by date or place, display on a map or use the advanced search to find your perfect race.

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Taking place across the scenic Thames Valley area with routes going through Culden Faw Estate. Swim the river, cycle the hilly open roads, run through the trail paths enjoying great views.
  • Sun 22 Sep
  • £65-£110
Marlow, Buckinghamshire, UK

The One on the River | Henley

Taking place across the scenic Thames Valley area with routes going through Culden Faw Estate. Swim the river, cycle the hilly open roads, run through the trail paths enjoying great views.

  • Sprint triathlon
  • Olympic triathlon
  • Half Ironman
  • Sprint aquabike
  • Standard aquabike
  • + 4 more races
Race through the beautiful grounds and surrounding area of Hever Castle on an event of your choice from starter to elite then celebrate with friends and family in the festival village.
  • Sat 28 - Sun 29 Sep
  • £28-£295
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival

Race through the beautiful grounds and surrounding area of Hever Castle on an event of your choice from starter to elite then celebrate with friends and family in the festival village.

  • Sprint triathlon 2
  • Super sprint triathlon
  • Novice triathlon
  • Kids triathlon 3
  • Standard duathlon
  • + 14 more races
  • Sun 15 Sep
  • £40-£70
Woking, Surrey, UK

Woking Triathlon - Autumn

Now a regular fixture of the local triathlon scene Woking Triathlon has become a popular race with athletes coming back year after year.

  • Kids aquathlon 5
  • Sprint aquathlon
  • Super sprint triathlon
  • Sprint triathlon
  • Sun 22 Sep
  • £55-£95
Windsor, Buckinghamshire, UK

Eton Dorney Triathlon

The Olympic venue, Eton Dorney, offers pan-flat, traffic-free roads and a beautiful clear lake for all levels of triathlete to enjoy.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sun 1 Sep
  • £170-£210
Ringwood, Hampshire, UK

New Forest Middle Distance Triathlon | Middle Triathlon

A stunning Triathlon with a swim in the beautiful Ellingham Waterski Lake,

  • 1.9 km lake swimming
  • 90 km road cycling
  • 21 km road running
  • Sun 1 Sep
  • £80
Ringwood, Hampshire, UK

New Forest Middle Distance Triathlon | Standard Triathlon

A stunning Triathlon with a swim in the beautiful Ellingham Waterski Lake,

  • 1.1 km lake swimming
  • 33 km road cycling
  • 10 km road running
  • Sun 1 Sep
  • £70
Ringwood, Hampshire, UK

New Forest Middle Distance Triathlon | Sprint Triathlon

A stunning Triathlon with a swim in the beautiful Ellingham Waterski Lake,

  • 400 m lake swimming
  • 33 km road cycling
  • 5 km road running
  • Sun 8 Sep
  • £141
Horsham, West Sussex, UK

Southwater Triathlon Relays

Raw Energy Pursuits Ltd have teamed up with Horsham Amphibians Tri Club in organising this fantastic race which is now in its 35th year and as popular as ever.

  • 400 m lake swimming
  • 18.5 km road cycling
  • 3.8 km road running

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