- Sun 14 Jul
- £50-£80
- Sun 14 Jul
- £50-£80
Marlow, Buckinghamshire, UK
The One on the River | Marlow | Jul
Taking place across the scenic Thames Valley area. Swim the river, cycle the hilly open roads, or run the flat Thames path – with a selection of activities over grass, tarmac, and trail.
- Newcomers
- Event village
- Park
- Sustainability policy
- Age 17 & over
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sprint duathlon
- Standard duathlon
- + 10 more races
- Sat 27 - Sun 28 Jul
- £40-£65
- Sat 27 - Sun 28 Jul
- £40-£65
Grantham, Leicestershire, UK
Belvoir Castle Triathlon and Multisport Festival
Race through the beautiful grounds and surrounding area of stunning Leicestershire on an event of your choice from starter to elite then celebrate with friends and family in the festival village.
- Families
- Newcomers
- Event village
- Park
- Rural
- Age 15 & over
- Kids triathlon 4
- Novice triathlon
- Super sprint triathlon
- Sprint triathlon 2
- Olympic triathlon
- + 14 more races
- Sat 6 - Sun 7 Jul
Ashington, Northumberland, UK
Woodhorn Museum Triathlon
- Lake swim 3
- Kids aquathlon 4
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike
- + 3 more races
- Sun 7 Jul
Chatham, Kent, UK
Chatham Maritime Aquathlon
- Kids aquathlon 8
- Sprint aquathlon
- Standard aquathlon
- Long aquathlon
- Sun 7 Jul
Droitwich, Worcestershire, UK
The Tom Jones Aquathlon Challenge
- Kids aquathlon 5
- Sprint aquathlon 2
- Tue 9 Jul
Dartford, Kent, UK
The Bridge Midweek Aquathlon - Race 3
- 500 m lake swimming
- 5 km road running
- Fri 12 Jul
Guildford, Surrey, UK
Phoenix Tri Aquathlon Race Series - Race 2
- Kids aquathlon 5
- Sprint aquathlon
- Sun 14 Jul
Billingshurst, West Sussex, UK
The KidstriUK Billingshurst Charity Multi-sport Festival
- Kids duathlon 2
- Kids triathlon 8
- Kids aquathlon 2
- Kids aquabike 2
- Fun run 2
- Tue 16 Jul
Sale, Greater Manchester, UK
Manchester Triathlon Club Aquathlon Series - Race 3
- Kids aquathlon
- Sprint aquathlon
- Wed 17 Jul
Haywards Heath, West Sussex, UK
Swim the Lake Festival (B)
- Lake swim 3
- Sprint aquathlon
- 5K run
- Wed 17 Jul
Swindon, Wiltshire, UK
Cotswolds Lake 62 Evening Triathlon Series - Race 3
- Super sprint triathlon
- Super sprint duathlon
- Super sprint aquabike
- Sprint aquathlon
- Thu 18 Jul
Northwood, Hertfordshire, UK
Aquathlon - Hillingdon Triathletes
- Kids aquathlon
- Sprint aquathlon
- Sun 21 Jul
Berkeley, Gloucestershire, UK
Berkeley Triathlon
- Super sprint triathlon
- Sprint triathlon
- Kids aquathlon 3
- Wed 24 Jul
Aylesford, Kent, UK
Wednesday Evening Aquathlons - Race 3
- Kids aquathlon 2
- Sprint aquathlon
- Standard aquathlon
- Sat 27 - Sun 28 Jul
Nottingham, Nottinghamshire, UK
Outlaw Nottingham Weekend
- Fun run 2
- Sprint aquathlon
- Long aquabike
- Ironman
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