- Sun 4 May 2025
- £53-£94
- Sun 4 May 2025
- £53-£94
ATW St Neots Triathlon | Race 1
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.
- Newcomers
- Event village
- Park
- Age 15 & over
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Sat 17 - Sun 18 May 2025
- £68-£140
- Sat 17 - Sun 18 May 2025
- £68-£140
ATW Box End Triathlon
A choice of multi-sports events including triathlon, relay triathlon and aquabike at a stunning watersports venue with immaculate water quality, scenic routes, a custom designed medal and much more.
- Newcomers
- Event village
- Park
- Age 15 & over
- Sprint triathlon
- Sprint aquabike
- Olympic triathlon
- Standard aquabike
- Relay triathlon
- Sun 18 May 2025
- £120-£140
- Sun 18 May 2025
- £120-£140
ATW Centurion 100KM Triathlon Box End
Challenge yourself to tackle a 100km Centurion this year, a distance made popular by the PTO race series. Ideal if you're training for a 70.3 Half-Iron or taking a step up from Standard Distance Tri.
- Newcomers
- Undulating
- Event village
- Park
- Sustainability policy
- Age 18 & over
- 2250 m lake swimming
- 80 km road cycling
- 20 km trail running
- Sun 1 Jun 2025
- £145-£186
- Sun 1 Jun 2025
- £145-£186
ATW Grafman Middle Distance Triathlon & Aquabike
One of the country’s most popular middle distance swim-bike-run events, delivered by triathletes for triathletes, at the beautiful and iconic Grafham Water.
- Recycling
- Newcomers
- Event village
- Park
- Rural
- Sustainability policy
- Age 18 & over
- Half Ironman
- Standard aquabike
- Sun 15 Jun 2025
- £62-£115
- Sun 15 Jun 2025
- £62-£115
ATW Stewartby Lake Triathlon & Aquabike
Located at the Stewartby Sailing Club this venue is perfect for triathlon and aquabike and was host to a sold-out GB team qualifier event in 2023, with probably the fastest bike leg in the country!
- Recycling
- Newcomers
- Plastic bottle free
- Event village
- Park
- Sustainability policy
- Age 15 & over
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike
- Standard aquabike
- Sat 5 Jul 2025
- £130-£270
- Sat 5 Jul 2025
- £130-£270
ATW Odyssey Triathlon
Complete your own Odyssey on a journey of self-discovery in the Cambridgeshire countryside featuring a swim in the River Ouse, a scenic ride and a run around the beautiful town of St Neots.
- Families
- Recycling
- Entertainment
- Music
- Event village
- Park
- Rural
- Sustainability policy
- Age 18 & over
- Ironman
- Half Ironman
- Sun 6 Jul 2025
- £53-£94
- Sun 6 Jul 2025
- £53-£94
ATW St Neots Triathlon | Race 2
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.
- Newcomers
- Event village
- Park
- Age 15 & over
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Super sprint triathlon
- Sprint aquabike
- Sun 10 Aug 2025
- £53-£94
- Sun 10 Aug 2025
- £53-£94
ATW St Neots Triathlon | Race 3
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.
- Newcomers
- Event village
- Park
- Age 15 & over
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Super sprint triathlon
- Sun 17 Aug 2025
- £53-£95
- Sun 17 Aug 2025
- £53-£95
ATW Oundle Triathlon
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Triathlon! It doesn’t matter if you are an experienced triathlete or this is your very first attempt at swim-bike-run.
- Newcomers
- Event village
- Age 15 & over
- Super sprint triathlon
- Sprint triathlon
- Sprint aquabike
- Sun 17 Aug 2025
- £16-£28
- Sun 17 Aug 2025
- £16-£28
ATW Oundle Children’s Triathlon
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.
- Families
- Newcomers
- Event village
- Age 8 & over
- Kids triathlon 5
- Sun 21 Sep 2025
- £73-£175
- Sun 21 Sep 2025
- £73-£175
ATW Big East & Maldon 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.
- Newcomers
- Event village
- Park
- Age 15 & over
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Half Ironman
- Middle aquabike