- Sun 6 Jul 2025
Sprint Triathlon
07:00
Age 15 & over on 31 Dec 2025
£65
- 750 m river swimming
- 20 km road cycling
- 5 km road running

Event overview
The race is based around Bristol Harbour, starting with a swim in the Cumberland Basin, followed by a traffic-free ride on Portway under the famous Clifton suspension bridge and to round it off, an epic run alongside the River Avon.
Whether you are a novice cyclist enjoying the traffic-free route, or a serious athlete looking to post a PB, this 'closed road' event will be one you will remember.
This is a mass-start, non-drafting event with start waves through the morning from 7am, with two distances to choose from.
If you don't want to tackle all three disciplines yourself, there is also an Aquabike (Swim-Bike) on offer for both distances and a relay over the Standard distance.
This event is for athletes of all abilities.
Highlights
Reasons to enter this event:
- Stunning venue
- Closed-road bike and run
- Well marked course
- Supportive marshals
- Finish line snacks & goodies
- Custom designed medal
Event organiser
ATW was established in 2011 by James Shipley. It has now become a national events company in the UK, specialising in running, triathlon, duathlon, aquathon, cycling, swimming and all combinations of swim-bike-run events. With over 40,000 entries a year ATW has become a firm favourite amongst people who are determined to Dream, Believe and Achieve.
This event is part of ATW Bristol Triathlon.
Event photos
Event details
- All fitness levels
- Event village
- Families
- Newcomers
- Spectators
- Swim hat provided
- Swim hat required
- Teams
- Wetsuit not allowed if too hot
- Wetsuit required if too cold
- Bag storage
- Cafe
- Toilets
Event HQ
Brunel Lock Road
Brunel Lock Road
Bristol
Somerset
BS1 6XQ
UK
There will be no parking at the event venue, but plenty of parking options in the city centre.
- First aid
- Marshals
- Traffic free
- Wave start
- Way markers
Maps



Sustainability
- Public transport links
- Sustainability policy
- Chip timing
- iTAB
- Map
- Medal
- Race photo
- Technical t-shirt
Optional extras
- British Triathlon Federation Race Pass - Β£8
- ICE Band - Β£22.94
- Personalised Medal Insert - Β£9
- T-shirt - Β£12
- Age 15 & over on 31 Dec 2025
- Entries open
- Collect race pack
- Enter online
- Event merch available
- Insurance available
- Pay by instalments
Entry fees
Early bird entry fee
£65.00
Other races at event
- Sun 6 Jul
- #2 of 4
Sprint Aquabike
07:00
Age 15 & over
£55
- 750 m lake swimming
- 20 km road cycling
- Sun 6 Jul
- #3 of 4
Standard Triathlon
07:00
Age 17 & over
£85
- 1500 m lake swimming
- 40 km road cycling
- 10 km road running
- Sun 6 Jul
- #4 of 4
Standard Aquabike
07:00
Age 17 & over
£75
- 1500 m lake swimming
- 40 km road cycling
