40 Triathlons in Gloucestershire

Find triathlons in and around Gloucestershire for 2024/2025 - 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 28 Apr
  • £50-£60
Lydney, Gloucestershire, UK

The First Tri

If you've ever wanted to take part in a triathlon, but didn't know where to start, The First Tri is the event for you.

  • Sprint triathlon
  • Olympic triathlon
  • Wed 8 May
  • £35
Cromhall, Gloucestershire, UK

South West Maritime Triathlon Series - Race 1

Liven up your mid-week routine with a sprint triathlon or duathlon at Cromhall Quarry, where you can expect stunning scenery, a refreshing lake swim and a ride through rolling countryside.

  • Sprint triathlon
  • Sprint duathlon
  • Sun 19 May
  • £25
Newent, Gloucestershire, UK

Tri Team Glos Young Triathletes Junior Aquathlon and Triathlon

Join the fun at Tri Team Glos Young Triathletes Junior Aquathlon and Triathlon!

  • Kids aquathlon 5
  • Kids triathlon 5
  • Sat 25 May
  • £33
Cheltenham, Gloucestershire, UK

Pied Piper Junior Aquathlon & Triathlon

The Pied Piper Junior Aquathlon & Triathlon is a fun sporting challenge which raises funds for two charities and is designed for children aged 8 to 16.

  • Kids aquathlon 5
  • Kids triathlon 5
  • Sun 26 May
  • £30-£40
Gloucester, Gloucestershire, UK

City of Gloucester Triathlon

The City of Gloucester Triathlon is back for 2024!

  • Super sprint triathlon
  • Sprint triathlon
  • Sun 2 Jun
  • £193-£230
Cirencester, Gloucestershire, UK

Cotswold 113

Set in the Heart of the Picturesque Cotswolds,

  • Half Ironman
  • Middle aquabike
  • Wed 12 Jun
  • £35
Cromhall, Gloucestershire, UK

South West Maritime Triathlon Series - Race 2

Liven up your mid-week routine with a sprint triathlon or duathlon at Cromhall Quarry, where you can expect stunning scenery, a refreshing lake swim and a ride through rolling countryside.

  • Sprint triathlon
  • Sprint duathlon
  • Sun 16 Jun
  • £60-£90
Cromhall, Gloucestershire, UK

Wild Boar Triathlon

The Wild Boar Triathlon returns to South West Maritime Academy Centre in Cromhall for 2024!

  • Olympic triathlon
  • Half Ironman
  • Sat 6 Jul
  • £30-£33
Cheltenham, Gloucestershire, UK

Hazlewoods Aquathlon

A sporting challenge at the Lido suitable for all abilities.

  • Sprint aquathlon
  • Standard aquathlon
  • Wed 10 Jul
  • £35
Cromhall, Gloucestershire, UK

South West Maritime Triathlon Series - Race 3

Liven up your mid-week routine with a sprint triathlon or duathlon at Cromhall Quarry, where you can expect stunning scenery, a refreshing lake swim and a ride through rolling countryside.

  • Sprint triathlon
  • Sprint duathlon
  • Sat 13 Jul
  • £26-£32
Cheltenham, Gloucestershire, UK

Cheltenham Tri in the Park Junior and Adult Triathlon

Cheltenham Triathlon Club is so excited to be welcoming you back to our award winning event.

  • Kids triathlon 5
  • Super sprint triathlon
  • Sun 14 Jul
  • £173-£230
Cirencester, Gloucestershire, UK

Cotswold Classic V2.0

New for 2024 – Cotswold Classic V2.0

  • Half Ironman
  • Middle aquabike
  • Sun 21 Jul
  • £34-£40
Berkeley, Gloucestershire, UK

Berkeley Triathlon

This event is ideal for those new to multi-skills competitions, as well as more experienced triathletes who want to test themselves against a competitive field on a fast and flat course.

  • Super sprint triathlon
  • Sprint triathlon
  • Kids aquathlon 3
  • Wed 14 Aug
  • £35
Cromhall, Gloucestershire, UK

South West Maritime Triathlon Series - Race 4

Liven up your mid-week routine with a sprint triathlon or duathlon at Cromhall Quarry, where you can expect stunning scenery, a refreshing lake swim and a ride through rolling countryside.

  • Sprint triathlon
  • Sprint duathlon
  • Wed 11 Sep
  • £35
Cromhall, Gloucestershire, UK

South West Maritime Triathlon Series - Race 5

Liven up your mid-week routine with a sprint triathlon or duathlon at Cromhall Quarry, where you can expect stunning scenery, a refreshing lake swim and a ride through rolling countryside.

  • Sprint triathlon
  • Sprint duathlon
  • Sun 15 Sep
  • £44-£69
Cheltenham, Gloucestershire, UK

Cheltenham Tri Festival

The event is aimed at all abilities and fitness levels, from complete novice to club and pro triathlete, as well as charity and fun competitors.

  • Super sprint triathlon
  • Sprint triathlon
  • Olympic triathlon
  • Sun 19 May
  • £60-£110
Cirencester, Wiltshire, UK

51fiver Cotswold Standard Triathlon

The i-Compete Events Cotswold 51fiver is back in 2024.

  • 1500 m lake swimming
  • 40 km road cycling
  • 10 km road running
  • Mon 27 May
  • £48-£85
Tetbury, Gloucestershire, UK

The Westonbirt Sprint Triathlon

The Westonbirt Sprint Triathlon is back for 2024…!

  • 400 m pool swimming
  • 22 km road cycling
  • 5 km road running
  • Mon 27 May
  • £58-£85
Tetbury, Gloucestershire, UK

Westonbirt Sprint Triathlon

The Westonbirt Sprint Triathlon is back for 2024…!

  • 400 m pool swimming
  • 22 km road cycling
  • 5 km road running
  • Sun 1 Sep
  • £30
Stroud, Gloucestershire, UK

Stratford Park Triathlon

An outdoor pool triathlon on the edge of the Cotswolds

  • 400 m pool swimming
  • 20 km road cycling
  • 5 km road running

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