- Sun 4 Aug
- £22-£115
- Sun 4 Aug
- £22-£115
Northwood, Hertfordshire, UK
ATW Hertfordshire & Middlesex Triathlon
A choice of multi-sports events including triathlon, relay triathlon, aquabike, aquathlon and duathlon in magnificent grounds including manicured sports fields, lakes, wildlife and greenery.
- Newcomers
- Event village
- Urban
- Public transport links
- Age 15 & over
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Sprint aquathlon 2
- + 3 more races
- Sun 15 Sep
Stowmarket, Suffolk, UK
Stowmarket HaverSports West Suffolk Triathlon
- Sprint triathlon 2
- Sprint duathlon 2
- Sun 6 Oct
Haverhill, Suffolk, UK
HaverTri - the Adams Harrison Triathlon Festival
- Sprint triathlon 2
- Sprint duathlon 2
- Sprint aquathlon
- Kids aquathlon 5
- Sun 27 Oct
Huntingdon, Cambridgeshire, UK
ATW Grafham Duathlon (inc. 2025 World Championship Standard Distance Duathlon Qualifier)
- Sprint duathlon
- Standard duathlon