Race on hallowed ground at the Dorney Triathlon on Saturday, September 26, 2026, where you can push your limits on the same pristine, closed-road course that hosted the London 2012 Olympic rowing events. This late-season classic offers the ultimate fast and safe multi-sport experience, with a clear-water rowing lake swim, a flat and smooth bike circuit, and a traffic-free run, all set within the inspiring confines of Dorney Lake. Choose your challenge from Super Sprint, Sprint, or Standard distances, including Aquabike and Relay options, making it the perfect event for both seasoned triathletes chasing a personal best and newcomers taking on their first organized swim-bike-run. Organized by ATW, the UK's largest multisport specialist, the event guarantees professional, draft-illegal racing with enthusiastic support, allowing you to focus purely on your performance in a world-class environment. Whether you're looking to cap your season with a strong result or simply experience the thrill of racing at an iconic Olympic venue, Dorney delivers an unforgettable and accessible triathlon adventure. Secure your spot for a crisp September Saturday where the only thing as inspiring as the location is your own achievement.
Races Offered
Sprint
Sep 26, 2026
straighten
Distance —
19 km 5 km
terrain
Type —
Multisports
timer
07:30
Sprint Aquabike
Sep 26, 2026
straighten
Distance —
19K
terrain
Type —
Multisports
timer
07:45
Sprint Relay
Sep 26, 2026
straighten
Distance —
19 km 5 km
terrain
Type —
Multisports
timer
07:45
Standard
Sep 26, 2026
straighten
Distance —
38 km 10 km
terrain
Type —
Multisports
timer
08:30
Standard Aquabike
Sep 26, 2026
straighten
Distance —
38K
terrain
Type —
Multisports
timer
08:45
Standard Relay
Sep 26, 2026
straighten
Distance —
38 km 10 km
terrain
Type —
Multisports
timer
08:45
Super Sprint
Sep 26, 2026
straighten
Distance —
10 km 2.5 km
terrain
Type —
Multisports
timer
10:00
Weather History
These values represent the 3-year monthly averages for September in Dorney Lake.
thermostatTemperature
11.8° / 20.1°
wb_sunnyFeels like
9.8° / 17.8°
light_mode
Avg sunshine hours
8h 34m
water_drop
Avg rainfall
3.2 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
13.3 km/h (Gentle breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (3.5)
humidity_mid
Humidity
77.7%
wb_twilight
Sunrise
06:38
nightlight
Sunset
19:15
About Dorney Lake
Learn more about the host city, Dorney Lake.
Dorney Lake is a purpose-built rowing lake and Meetings & Events Venue in England. It is near the village of Dorney, Buckinghamshire, and is around 3 km west of Windsor and Eton, close to the River Thames.
