- Sun 22 Sep
- £25-£110
- Sun 22 Sep
- £25-£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.
- Newcomers
- Event village
- Park
- Sustainability policy
- Age 17 & over
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sprint aquabike
- Standard aquabike
- + 4 more races
- Sat 28 - Sun 29 Sep
- £28-£295
- 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.
- Families
- Recycling
- Newcomers
- Event village
- Park
- Rural
- Sustainability policy
- Age 9 & over
- Half Ironman
- Olympic triathlon
- Sprint triathlon 2
- Super sprint triathlon
- Novice triathlon
- + 16 more races
- Sun 1 Sep
Newbury, Berkshire, UK
Newbury Triathlon
- 300 m pool swimming
- 22 km road cycling
- 5 km trail running
- Sun 8 Sep
Reading, Berkshire, UK
Reading Triathlon
- Sprint aquathlon
- Standard aquabike
- Sprint triathlon
- Relay triathlon
- Olympic triathlon
- Sun 8 Sep
Horsham, West Sussex, UK
Southwater Triathlon Relays
- 400 m lake swimming
- 18.5 km road cycling
- 3.8 km road running
- Sun 8 Sep
Betchworth, Surrey, UK
Tri Reigate Sprint Triathlon
- 750 m lake swimming
- 19 km road cycling
- 5 km road running
- Sun 15 Sep
Bognor Regis, West Sussex, UK
The Bognor Charity Muliti-sport Festival
- Novice triathlon 2
- Kids triathlon 6
- Kids duathlon 2
- Kids aquathlon 2
- Kids aquabike 2
- + 2 more races
- Sun 15 Sep
Woking, Surrey, UK
Woking Triathlon - Autumn
- Kids aquathlon 5
- Sprint aquathlon
- Super sprint triathlon
- Sprint triathlon
- Sun 22 Sep
Windsor, Buckinghamshire, UK
Eton Dorney Triathlon
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon