Relay triathlons in East of England
Find relay 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 18 May
- £78-£99
- Sun 18 May
- £78-£99
ATW Box End Sprint Triathlon
Stunning watersports venue with immaculate water quality, scenic run route, custom designed medal plus team relay option.
- Enter online
- Age 15 & over
- 750 m lake swimming
- 26 km road cycling
- 5 km road running
- Sun 18 May
- £99-£120
- Sun 18 May
- £99-£120
ATW Box End Standard Triathlon
Stunning watersports venue with immaculate water quality, scenic run route, custom designed medal plus team relay option.
- Enter online
- Age 17 & over
- 1500 m lake swimming
- 40 km road cycling
- 10 km road running
- Sun 18 May
- £120-£140
- Sun 18 May
- £120-£140
ATW Box End Centurion 100km Triathlon
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.
- Enter online
- Undulating
- Age 18 & over
- 2250 m lake swimming
- 80 km road cycling
- 20 km trail running
- Sun 1 Jun
- £165-£186
- Sun 1 Jun
- £165-£186
ATW Grafman Middle Distance Triathlon
Take on a superb middle distance triathlon at the fantastic Grafham Water. Suitable for all abilites, with a challenging, but achievable course, and custom medal at the finish line.
- Chip timing
- Enter online
- Undulating
- Age 18 & over
- 1900 m lake swimming
- 90 km road cycling + 1844 ft ascent
- 21 km multi terrain running + 253 ft ascent
- Sun 15 Jun
- £73-£95
- Sun 15 Jun
- £73-£95
ATW Stewartby Lake Sprint Triathlon
Located at the Stewartby Sailing Club this venue is perfect for 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
- £94-£115
- Sun 15 Jun
- £94-£115
ATW Stewartby Lake Standard Triathlon
Located at the Stewartby Sailing Club this venue is perfect for 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
- 3.8 km river swimming
- 180 km road cycling
- 26.2 miles 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 18 & over
- 1900 m river swimming
- 90 km road cycling
- 21.1 km road running
- Sun 17 Aug
- £73-£95
- Sun 17 Aug
- £73-£95
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
- Sat 13 Sep
- £94-£115
- Sat 13 Sep
- £94-£115
ATW Grafham Standard Triathlon
Get involved in this Grafham Triathlon, brought to you by the largest triathlon organiser in the UK!
- Chip timing
- Enter online
- Age 17 & over
- 1500 m lake swimming
- 38 km road cycling
- 10 km road running
- Sun 21 Sep
- £94-£115
- Sun 21 Sep
- £94-£115
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
- £155-£175
- Sun 21 Sep
- £155-£175
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
- £73-£94
- Sun 21 Sep
- £73-£94
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 17 May
ATW Box End Mixed Team Relay (incorporating British Triathlon Mixed Team Relay Championships)
- 350 m lake swimming
- 7.7 km road cycling
- 1 km road running
- Sun 20 Jul
Bedford Triathlon Team Relays
- 750 m lake swimming
- 23 km road cycling
- 5 km road running