Triathlons in East of England
Find triathlons near me in East of England for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sun 15 Jun
- £78-£99
- Sun 15 Jun
- £78-£99
ATW Stewartby Lake Sprint Triathlon
Located at the Stewartby Sailing Club this venue is perfect for a Sprint Triathlon and was host to a sold-out GB team qualifier event in 2023, with probably the fastest bike leg in the country!
- Enter online
- Flat
- Traffic free
- Age 15 & over
- 750 m lake swimming
- 20 km road cycling
- 5 km road running
- Sun 15 Jun
- £99-£120
- Sun 15 Jun
- £99-£120
ATW Stewartby Lake Standard Triathlon
Located at the Stewartby Sailing Club this venue is perfect for a Standard Triathlon and was host to a sold-out GB team qualifier event in 2023, with probably the fastest bike leg in the country!
- Enter online
- Flat
- Traffic free
- Age 17 & over
- 1500 m lake swimming
- 37 km road cycling
- 10 km road running
- Sat 5 Jul
- £275-£295
- Sat 5 Jul
- £275-£295
ATW Odyssey Full Distance 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.
- Enter online
- Undulating
- Age 19 & over
- 3800 m river swimming
- 180 km road cycling
- 42.2 km road running
- Sat 5 Jul
- £155-£175
- Sat 5 Jul
- £155-£175
ATW Odyssey Half Distance 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.
- Enter online
- Undulating
- Age 19 & over
- 1900 m river swimming
- 90 km road cycling
- 21.1 km road running
- Sun 6 Jul
- £78
- Sun 6 Jul
- £78
ATW St Neots Sprint Triathlon | Race 2
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Sprint Triathlon.
- Enter online
- Age 15 & over
- 750 m river swimming
- 24 km road cycling
- 5 km road running
- Sun 6 Jul
- £99-£120
- Sun 6 Jul
- £99-£120
ATW St Neots Standard Triathlon | Race 2
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Standard Triathlon.
- Enter online
- Age 17 & over
- 1500 m river swimming
- 45 km road cycling
- 10 km road running
- Sun 6 Jul
- £58
- Sun 6 Jul
- £58
ATW St Neots Super Sprint Triathlon | Race 2
Swim in the beautiful River Ouse, cycle through scenic villages, run around Riverside Park and complete a Super Sprint Triathlon with the encouragement of fellow sportspeople and spectators!
- Enter online
- Age 15 & over
- 400 m river swimming
- 8 km road cycling
- 2.5 km road running
- Sun 10 Aug
- £78
- Sun 10 Aug
- £78
ATW St Neots Sprint Triathlon | Race 1
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Sprint Triathlon.
- Enter online
- Age 15 & over
- 750 m river swimming
- 24 km road cycling
- 5 km road running
- Sun 10 Aug
- £99-£120
- Sun 10 Aug
- £99-£120
ATW St Neots Standard Triathlon | Race 3
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Standard Triathlon.
- Enter online
- Age 17 & over
- 1500 m river swimming
- 45 km road cycling
- 10 km road running
- Sun 10 Aug
- £58
- Sun 10 Aug
- £58
ATW St Neots Super Sprint Triathlon | Race 3
Swim in the beautiful River Ouse, cycle through scenic villages, run around Riverside Park and complete a Super Sprint Triathlon with the encouragement of fellow sportspeople and spectators!
- Enter online
- Age 15 & over
- 400 m river swimming
- 8 km road cycling
- 2.5 km road running
- Sun 17 Aug
- £58
- Sun 17 Aug
- £58
ATW Oundle Super Sprint Distance 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.
- Chip timing
- Enter online
- Age 15 & over
- 400 m pool swimming
- 13 km road cycling
- 2.5 km trail running
- Sun 17 Aug
- £78-£99
- Sun 17 Aug
- £78-£99
ATW Oundle Sprint Distance 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.
- Chip timing
- Enter online
- Age 15 & over
- 600 m pool swimming
- 25 km road cycling
- 5 km trail running
- Sun 17 Aug
- £29
- Sun 17 Aug
- £29
ATW Oundle Children’s Triathlon | Tristar 3
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.
- Chip timing
- Enter online
- Age 13-14
- 300 m pool swimming
- 6 km mountain biking
- 2.4 km trail running
- Sun 17 Aug
- £29
- Sun 17 Aug
- £29
ATW Oundle Children’s Triathlon | Youth
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.
- Chip timing
- Enter online
- Age 15-16
- 400 m pool swimming
- 8 km mountain biking
- 3 km trail running
- Sun 31 Aug
- £49
- Sun 31 Aug
- £49
HSV Sprint Triathlon
This is a great race for all standards, from the absolute beginner right through to the seasoned triathlete. The course is fast, flat and has great PB potential.
- Enter online
- Flat
- PB
- Age 15 & over
- 400 m pool swimming
- 20 km road cycling
- 5 km road running
- Sat 13 Sep
- £78
- Sat 13 Sep
- £78
ATW Grafham Sprint Triathlon
Athletes of all levels are guaranteed to enjoy the Sprint Triathlon at this fantastic venue that has been used for award-winning triathlons, national championships and GB qualifier races!
- Chip timing
- Enter online
- Flat
- Age 15 & over
- 750 m lake swimming
- 17 km road cycling
- 5 km road running
- Sat 13 Sep
- £99-£120
- Sat 13 Sep
- £99-£120
ATW Grafham Standard Triathlon
Athletes of all levels are guaranteed to enjoy The Standard Triathlon at this fantastic venue that has been used for award-winning triathlons, national championships and GB qualifier races!
- Chip timing
- Enter online
- Age 17 & over
- 1500 m lake swimming
- 38 km road cycling
- 10 km road running
- Sun 21 Sep
- £99-£120
- Sun 21 Sep
- £99-£120
ATW Big East & Maldon Standard 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.
- Enter online
- Undulating
- Age 17 & over
- 1500 m river swimming
- 40 km road cycling
- 10 km trail running
- Sun 21 Sep
- £160-£180
- Sun 21 Sep
- £160-£180
Big East Middle Distance 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.
- Enter online
- Undulating
- Age 18 & over
- 1500 m river swimming
- 86 km road cycling
- 20 km trail running
- Sun 21 Sep
- £78-£99
- Sun 21 Sep
- £78-£99
ATW Big East & Maldon Sprint 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.
- Enter online
- Undulating
- Age 15 & over
- 750 m river swimming
- 25 km road cycling
- 5 km trail running
- Sat 5 Jul
Outlaw Half Holkham Weekend | Outlaw Gravel Sprint Holkham
- 750 m lake swimming
- 19 km mountain biking
- 5 km trail running
- Sun 6 Jul
Outlaw Half Holkham Weekend | Outlaw Half Holkham
- 1.2 miles lake swimming
- 56 miles road cycling
- 13.1 miles road running