Olympic triathlons (standard distance) in East of England
Find olympic triathlons (standard distance) in East of England in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sun 3 May 2026
- £96-£117
ATW St Neots Standard Triathlon | Race 1
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a Standard Distance Triathlon.
- Enter online
- Age 17 & over
- 1500 m river swimming
- 45 km road cycling + 771 ft ascent
- 10 km road running
- Sat 16 May 2026
- £97-£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 + 479 ft ascent
- 10 km trail running + 86 ft ascent
- Sun 24 May 2026
- £96-£117
ATW Box End Standard Triathlon
Challenge yourself in the Standard Distance Triathlon at Box End Lake — a superb race combining pristine open water, fast scenic routes, and an unbeatable atmosphere for all abilities.
- Enter online
- Age 17 & over
- 1500 m lake swimming
- 40 km road cycling + 837 ft ascent
- 10 km road running + 170 ft ascent
- Sun 21 Jun 2026
- £90
Southend Triathlon | Standard Triathlon
Take on an exciting coastal Standard Triathlon in Southend, featuring a sea swim, fast seafront cycle, and scenic run with fantastic crowd support all the way.
- Chip timing
- Enter online
- Age 18 & over
- 1500 m sea swimming
- 40 km road cycling
- 10 km road running
- Sun 21 Jun 2026
- £96-£117
ATW Stewartby Lake Standard Triathlon
Dive into the ATW Stewartby Lake Standard Triathlon – a flat, fast and friendly race offering stunning lake views, smooth roads, and PB potential.
- Enter online
- Flat
- Traffic free
- Age 17 & over
- 1500 m lake swimming
- 37 km road cycling + 316 ft ascent
- 10 km road running + 104 ft ascent
- Sun 5 Jul 2026
- £96-£117
ATW Odyssey At Box End Triathlon | Standard Distance Triathlon
Get ready for one of the UK’s most exciting triathlon events of the year!
- Enter online
- PB
- Age 17 & over
- 1500 m lake swimming
- 38 km road cycling + 610 ft ascent
- 10 km road running + 174 ft ascent
- Sat 8 Aug 2026
- £94-£115
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 + 712 ft ascent
- 10 km road running + 0 ft ascent
- Sat 8 Aug 2026
- £96
ATW First To Full Triathlon Festival | Standard Distance Triathlon
Be part of a UK first. This isn’t just another triathlon—it’s the first event of its kind where you decide the distance, from sprint to full, and race your way.
- Enter online
- PB
- Age 17 & over
- 1500 m river swimming
- 45 km road cycling + 712 ft ascent
- 10 km road running + 0 ft ascent
- Sun 20 Sep 2026
- £94-£115
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 + 712 ft ascent
- 10 km road running + 0 ft ascent