ATW Bristol Triathlon
Sun 12 Jul 2026 Bristol, Somerset, UK

ATW Bristol Triathlon

Swim, bike, and run through an iconic city backdrop with a flat, fast course and incredible atmosphere — one of the UK's most-popular 'closed-road' triathlons.

4 races

  • Sun 12 Jul 2026
  • #1 of 4
Cumberland Basin, Bristol

Sprint Triathlon

07:00

Age 15 & over

£65

  • 750 m river swimming
  • 21 km road cycling + 144 ft ascent
  • 5 km road running + 105 ft ascent
  • Sun 12 Jul 2026
  • #2 of 4
Cumberland Basin, Bristol

Sprint Aquabike

07:00

Age 15 & over

£55

  • 750 m lake swimming
  • 21 km road cycling + 144 ft ascent
  • Sun 12 Jul 2026
  • #3 of 4
Cumberland Basin, Bristol

Standard Triathlon

07:00

Age 17 & over

£85-£105

  • 1500 m lake swimming
  • 42 km road cycling + 144 ft ascent
  • 10 km road running + 174 ft ascent
  • Sun 12 Jul 2026
  • #4 of 4
Cumberland Basin, Bristol

Standard Aquabike

07:00

Age 17 & over

£75

  • 1500 m lake swimming
  • 42 km road cycling + 144 ft ascent

Event overview

This spectacular urban triathlon combines a swim in Bristol’s historic harbour with a closed-road bike course and a scenic run along the waterfront. Perfect for beginners and experienced triathletes alike, it’s a well-organised, fast-paced event that captures the city’s vibrant energy and supportive spirit.

Highlights

  • Swim in Bristol’s iconic harbour
  • Closed-road bike course for maximum safety and speed
  • Scenic waterfront run with cheering crowds
  • Suitable for all experience levels and abilities
  • Friendly atmosphere and expert event organisation
  • Custom finisher medal and post-race celebrations

  • Average fitness
  • Event village
  • Families
  • Newcomers
  • Spectators
  • Teams

Wetsuit hire

Want to hire a wetsuit for the day or season? This facility is now available! Find out more when you book.

  • Cafe
  • Secure bag storage
  • Toilets

Event HQ

Cumberland Basin
Bristol
Somerset
UK

There will be no parking at the event venue, but plenty of parking options in the city centre.

Sustainability

  • Public transport links
  • Sustainability policy

Races at event

  • Sun 12 Jul 2026
  • #1 of 4
Cumberland Basin, Bristol
Sprint Triathlon

07:00

Age 15 & over

£65

  • 750 m river swimming
  • 21 km road cycling + 144 ft ascent
  • 5 km road running + 105 ft ascent
  • Sun 12 Jul 2026
  • #2 of 4
Cumberland Basin, Bristol
Sprint Aquabike

07:00

Age 15 & over

£55

  • 750 m lake swimming
  • 21 km road cycling + 144 ft ascent
  • Sun 12 Jul 2026
  • #3 of 4
Cumberland Basin, Bristol
Standard Triathlon

07:00

Age 17 & over

£85-£105

  • 1500 m lake swimming
  • 42 km road cycling + 144 ft ascent
  • 10 km road running + 174 ft ascent
  • Sun 12 Jul 2026
  • #4 of 4
Cumberland Basin, Bristol
Standard Aquabike

07:00

Age 17 & over

£75

  • 1500 m lake swimming
  • 42 km road cycling + 144 ft ascent

Other South West events

Other UK events

4 steps to wellbeing
Sleep well

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Train slow

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Eat natural

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Get outdoors

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