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Olympic triathlons (standard distance) in Oxfordshire in September 2025

Find olympic triathlons (standard distance) near me in Oxfordshire in September 2025 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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  • Sun 21 Sep
Henley-on-Thames, Buckinghamshire, UK

The One on the River | Henley | Standard Triathlon

  • 1500 m river swimming
  • 54 km road cycling
  • 10 km trail running

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