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Triathlons in Essex in September 2025
Find triathlons near me in Essex in September 2025 - 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 21 Sep
- £99-£120
- Sun 21 Sep
- £99-£120
Maldon, Essex, UK
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 + 479 ft ascent
- 10 km trail running + 86 ft ascent
- Sun 21 Sep
- £160-£180
- Sun 21 Sep
- £160-£180
Maldon, Essex, UK
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 + 1112 ft ascent
- 20 km trail running + 172 ft ascent
- Sun 21 Sep
- £78-£99
- Sun 21 Sep
- £78-£99
Maldon, Essex, UK
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 + 230 ft ascent
- 5 km trail running + 43 ft ascent