Bristol Triathlon invites athletes from all backgrounds to challenge themselves along the scenic routes of one of the UK's most beloved urban landscapes. Situated around Bristol Harbour, this triathlon offers participants an unforgettable experience with its unique combination of aquatic and land-based challenges. The event kicks off at Cumberland Basin where swimmers will take a plunge into refreshing waters before transitioning onto Portway for a bike ride that takes them under the iconic Clifton Suspension Bridge—a landmark synonymous with Bristol's history. The cycling route is entirely traffic-free, allowing participants to focus on their performance without any distractions or hazards. The race concludes with an exhilarating run alongside the River Avon, culminating in a dramatic finish over the flyover where spectators line up to cheer racers home. Whether you're a novice cyclist looking for a smooth 7k lap route or a seasoned athlete aiming for personal bests, this event promises both challenge and enjoyment. Competitors can choose from two distances: - Sprint: A shorter version featuring a 750m swim, followed by a 21km bike ride, concluding with a 5km run. - Standard: For those seeking more of a test, the longer distance includes a 1500m swim, a grueling 42km cycle, and an epic 9.6km run. For athletes who prefer not to tackle all three disciplines individually, there's also an Aquabike option available for both distances as well as relay teams competing over the Standard distance. Bristol Triathlon is designed with every participant in mind, offering a supportive environment enhanced by clear course markings and enthusiastic marshals. Upon crossing the finish line, athletes are greeted not only with the customary sense of achievement but also with snacks and goodies to refuel after their efforts. To top it all off, each competitor receives a custom-designed medal as a memento of this special day. In addition to the race itself, ATW provides opportunities for those wishing to contribute beyond personal records by raising funds through partnerships with charities such as Alzheimer's Research UK. Your participation can make strides towards changing lives and advancing medical research. For equipment needs, Zone3 wetsuits are available for seasonal rental or short-term hire options tailored to individual requirements. ATW also offers a flexible transfer policy allowing participants to move their entries to future events should unforeseen circumstances arise, ensuring that no one misses out on the opportunity to compete due to last-minute changes in plans. Join the ATW community and connect with fellow athletes through various social media platforms where you can share your journey and aspirations or seek advice from seasoned competitors. With its blend of historical charm and modern athletic challenges, Bristol Triathlon promises a day filled with excitement, camaraderie, and personal triumphs for all who take part.
Races Offered
Sprint Aquabike
Aug 01, 2027
straighten
Distance —
0.8K Swim 20K Bike
terrain
Type —
Multisports
timer
301 days remaining
sell
£60.00
Sprint Triathlon
Aug 01, 2027
straighten
Distance —
0.8K Swim 20K Bike 5K Run
terrain
Type —
Multisports
timer
301 days remaining
sell
£70.00
Standard Aquabike
Aug 01, 2027
straighten
Distance —
Standard Aquabike
terrain
Type —
Multisports
timer
301 days remaining
sell
£85.00
Standard Triathlon
Aug 01, 2027
straighten
Distance —
Standard Triathlon
terrain
Type —
Multisports
timer
301 days remaining
sell
£95.00
Standard Triathlon Relay
Aug 01, 2027
straighten
Distance —
Standard Triathlon Relay
terrain
Type —
Multisports
timer
301 days remaining
sell
£115.00
Weather History
These values represent the 3-year monthly averages for August in Cumberland Basin.
thermostatTemperature
13.5° / 20.8°
wb_sunnyFeels like
11.6° / 18.6°
light_mode
Avg sunshine hours
9h 56m
water_drop
Avg rainfall
2.2 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
15.0 km/h (Gentle breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (4.9)
humidity_mid
Humidity
76.0%
wb_twilight
Sunrise
05:57
nightlight
Sunset
20:29
Hotels & Places to Stay
Things to Do Nearby
Tours and activities near Cumberland Basin, powered by Viator.
Loading nearby tours and activities…
Runner Reviews
Read what other athletes have to say about their experience at the ATW Bristol Triathlon.
No reviews yet
Be the first to share your experience with the community!
Suggest an edit
Spotted an error or missing detail about the ATW Bristol Triathlon? Help us improve.
Nearby Races
Explore other exciting events happening in this same region.