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Triathlons in UK

Find triathlons 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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Click an event for full event details, location, route, sustainability, what's included and how to enter.

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.
  • Sun 7 Jun 2026
  • £155-£175
  • Sun 7 Jun 2026
  • £155-£175
Huntingdon, Cambridgeshire, UK

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 + 1680 ft ascent
  • 21 km multi terrain running + 0 ft ascent
Come join the Pendle Triathlon for this annual event! Set at West Craven Sports Centre in the beautiful Lancashire countryside.
  • Sun 7 Jun 2026
  • £25
  • Sun 7 Jun 2026
  • £25
Barnoldswick, Lancashire, UK

Pendle Pool Triathlon powered by Fort Vale | Super Sprint Triathlon

Come join the Pendle Triathlon for this annual event! Set at West Craven Sports Centre in the beautiful Lancashire countryside.

  • Chip timing
  • Enter online
  • PB
  • Age 15 & over
  • 200 m pool swimming
  • 11 km road cycling + 308 ft ascent
  • 2.5 km road running + 100 ft ascent
Come join the Pendle Triathlon for this annual event! Set at West Craven Sports Centre in the beautiful Lancashire countryside.
  • Sun 7 Jun 2026
  • £30
  • Sun 7 Jun 2026
  • £30
Barnoldswick, Lancashire, UK

Pendle Pool Triathlon powered by Fort Vale | Sprint Triathlon

Come join the Pendle Triathlon for this annual event! Set at West Craven Sports Centre in the beautiful Lancashire countryside.

  • Chip timing
  • Enter online
  • PB
  • Age 15 & over
  • 400 m pool swimming
  • 22 km road cycling + 616 ft ascent
  • 5 km road running + 200 ft ascent
The Super Sprint Novice Triathlon is ideal for anyone wanting to try the sport of triathlon for the first time and is an exciting part of the renowned Eastbourne Triathlon weekend.
  • Sun 12 Jul 2026
  • Sun 12 Jul 2026
Eastbourne, East Sussex, UK

Eastbourne Triathlon and Multisport Festival | Novice Super-Sprint Triathlon

The Super Sprint Novice Triathlon is ideal for anyone wanting to try the sport of triathlon for the first time and is an exciting part of the renowned Eastbourne Triathlon weekend.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 15 & over
  • 300 m sea swimming
  • 10 km road cycling + 160 m ascent
  • 2.5 km road running
The Youth Super Sprint Triathlon is an exciting part of the renowned Eastbourne Triathlon weekend and is for age 15-16 year olds of all abilities. Come and have a go or improve your time!
  • Sun 12 Jul 2026
  • Sun 12 Jul 2026
Eastbourne, East Sussex, UK

Eastbourne Triathlon and Multisport Festival | Youth Super-Sprint Triathlon

The Youth Super Sprint Triathlon is an exciting part of the renowned Eastbourne Triathlon weekend and is for age 15-16 year olds of all abilities. Come and have a go or improve your time!

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 15-16
  • 300 m sea swimming
  • 10 km road cycling + 160 m ascent
  • 2.5 km road running
The beautiful seaside town of Eastbourne welcomes athletes of all abilities and experience back for the Eastbourne Triathlon! The sprint circuit enjoys the beach, closed roads and iconic promenade.
  • Sun 12 Jul 2026
  • Sun 12 Jul 2026
Eastbourne, East Sussex, UK

Eastbourne Triathlon and Multisport Festival | Sprint Triathlon

The beautiful seaside town of Eastbourne welcomes athletes of all abilities and experience back for the Eastbourne Triathlon! The sprint circuit enjoys the beach, closed roads and iconic promenade.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 17 & over
  • 750 m sea swimming
  • 20 km road cycling + 350 m ascent
  • 5 km road running
The beautiful seaside town of Eastbourne welcomes athletes of all abilities and experience back for the Eastbourne Triathlon! The standard circuit enjoys the beach, closed roads and iconic promenade.
  • Sun 12 Jul 2026
  • Sun 12 Jul 2026
Eastbourne, East Sussex, UK

Eastbourne Triathlon and Multisport Festival | Standard Distance Triathlon

The beautiful seaside town of Eastbourne welcomes athletes of all abilities and experience back for the Eastbourne Triathlon! The standard circuit enjoys the beach, closed roads and iconic promenade.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 17 & over
  • 1500 m sea swimming
  • 40 km road cycling + 700 m ascent
  • 10 km road running
  • Wed 16 Jul
Swindon, Wiltshire, UK

Cotswolds Lake 62 Evening Triathlon Series - Race 3 | Triathlon

  • 400 m lake swimming
  • 12.5 km road cycling + 105 ft ascent
  • 4.5 km trail running + 69 ft ascent
  • Sat 19 Jul
Sutton Coldfield, West Midlands, UK

Birmingham Triathlon | Olympic & Relay

  • 1500 km lake swimming
  • 40 km road cycling
  • 10 km trail running
  • Sat 19 Jul
Sutton Coldfield, West Midlands, UK

Birmingham Triathlon | Sprint & Relay

  • 750 m lake swimming
  • 20 km road cycling
  • 5 km trail running
  • Sat 19 Jul
Sutton Coldfield, West Midlands, UK

Birmingham Triathlon | Fun

  • 200 m lake swimming
  • 10 km road cycling
  • 2.5 km trail running
  • Sat 19 Jul
Sutton Coldfield, West Midlands, UK

Birmingham Triathlon | Super Sprint

  • 200 m lake swimming
  • 10 km road cycling
  • 2.5 km trail running
  • Sun 20 Jul
Warwick, Warwickshire, UK

Compton Verney Sprint Triathlon

  • 400 m lake swimming
  • 21.5 km road cycling
  • 5 km multi terrain running
  • Sun 20 Jul
Warwick, Warwickshire, UK

On The Edge Middle Distance Triathlon

  • 1.2 miles pool swimming
  • 56 miles road cycling
  • 13.1 miles road running
  • Sun 27 Jul
Nottingham, Nottinghamshire, UK

Outlaw Nottingham Weekend | Outlaw Nottingham

  • 2.4 miles lake swimming
  • 112 miles road cycling + 2934 ft ascent
  • 26.2 miles road running + 640 ft ascent
  • Sat 2 Aug
Isle of Lewis, Outer Hebrides, UK

Hebrides Triathlon

  • 1.5 km lake swimming
  • 40 km road cycling
  • 10 km road running
  • Sun 3 Aug
Bristol, Gloucestershire, UK

Sri Chinmoy Tri Club's SBR-Mini Duathlon or Triathlon | Triathlon

  • 200 m pool swimming
  • 10 km road cycling
  • 3 km trail running
  • Sun 10 Aug
London, UK

London T100 | 100km

  • 2 km dock swimming
  • 80 km road cycling
  • 18 km road running
  • Sun 10 Aug
London, UK

London T100 | Sprint

  • 750 m dock swimming
  • 20 km road cycling
  • 5 km road running
  • Sun 10 Aug
London, UK

London T100 | Olympic

  • 1.5 km dock swimming
  • 40 km road cycling
  • 10 km road running
  • Sat 16 Aug
York, North Yorkshire, UK

York Kids Fun Triathlon | TIN

  • 18 m pool swimming
  • 1 km road cycling
  • 500 m trail running
  • Sat 16 Aug
York, North Yorkshire, UK

York Kids Fun Triathlon | GOLD

  • 150 m pool swimming
  • 4 km road cycling
  • 2500 m trail running
  • Sat 16 Aug
York, North Yorkshire, UK

York Kids Fun Triathlon | GOLD Team Relay

  • 150 m pool swimming
  • 4 km road cycling
  • 2500 m trail running
  • Sat 16 Aug
York, North Yorkshire, UK

York Kids Fun Triathlon | SILVER

  • 100 m pool swimming
  • 4 km road cycling
  • 2000 km trail running
  • Sat 16 Aug
York, North Yorkshire, UK

York Kids Fun Triathlon | BRONZE

  • 50 m pool swimming
  • 3 km road cycling
  • 1500 m trail running

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