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Ironman (full distance) in UK

Find ironman (full distance) near me in UK 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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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.
  • Sat 5 Jul
  • £275-£295
  • Sat 5 Jul
  • £275-£295
Saint Neots, Cambridgeshire, UK

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
Award winning full and middle-distance triathlons, plus a marathon, long-distance swims, aquabike options and triathlon relays.
  • Sun 20 Jul
  • 1 charity
  • Sun 20 Jul
  • 1 charity
Eastbourne, East Sussex, UK

TriBourne Festival of Endurance | Full Distance Triathlon

Award winning full and middle-distance triathlons, plus a marathon, long-distance swims, aquabike options and triathlon relays.

  • Enter online
  • Age 18 & over
  • 2.4 miles sea swimming
  • 112 miles road cycling
  • 26.2 miles trail running
A gruelling Ironman-style challenge set over a weekend starting with a 2.4-Mile Swim on Friday, 112-Mile Sportive on Saturday then a Marathon on Sunday, supported by the best crowds you'll ever find.
  • Fri 29 - Sun 31 Aug
  • £279
  • Fri 29 - Sun 31 Aug
  • £279
Masham, North Yorkshire, UK

Full Long Course Weekend

A gruelling Ironman-style challenge set over a weekend starting with a 2.4-Mile Swim on Friday, 112-Mile Sportive on Saturday then a Marathon on Sunday, supported by the best crowds you'll ever find.

  • Chip timing
  • Enter online
  • Hilly
  • Traffic free
  • Age 18 & over
  • 2.4 miles lake swimming
  • 112 miles road cycling
  • 26.2 miles road running
  • Sun 11 May
Stamford, Cambridgeshire, UK

Burghley Multisport Weekend | 100KM Long Distance Triathlon

  • 2 km lake swimming
  • 80 km road cycling
  • 18 km road running
  • Sun 29 Jun
Hexham, Northumberland, UK

The Northumbrian | Full Iron Distance

  • 2.4 miles lake swimming
  • 112 miles road cycling
  • 26.2 miles trail running
  • Sun 29 Jun
Ellesmere, Shropshire, UK

Ultimate Triathlon

  • 2.4 miles lake swimming
  • 112 miles road cycling
  • 26.2 miles road running
  • Sun 27 Jul
Nottingham, Nottinghamshire, UK

Outlaw Nottingham Weekend | Outlaw Nottingham

  • 2.4 miles lake swimming
  • 112 miles road cycling
  • 26.2 miles road running
  • Sun 31 Aug
Lifton, Devon, UK

Roadford Lake Triathlon | Iron Distance

  • 3.8 km lake swimming
  • 185 km road cycling
  • 42 km road running

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