Eton Dorney Triathlons

About the Event

Experience the unique thrill of racing on hallowed Olympic ground at the Votwo Eton Dorney Triathlons on Sunday 20th September 2026. This exclusive, traffic-free event unlocks the pristine, private venue of Dorney Lake, offering a phenomenally fast and secure course perfect for beginners chasing a personal milestone and seasoned athletes targeting a new best. Glide through the clear, buoy-lined waters before powering onto the legendary pan-flat tarmac, where your only competition is the clock on this purpose-built cycling and running circuit. With meticulously timed waves for Standard, Sprint, and Super Sprint distances—including team relays—the September event delivers a polished, athlete-focused atmosphere from start to finish line. Secure your place to conquer a world-class course where Olympic dreams meet achievable personal victory, all within a single, inspiring morning.

Races Offered

Standard triathlon

Sep 20, 2026

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Distance — 1.5 km 40 km 10 km

terrain

Type — Multisports

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08:00

Team standard triathlon

Sep 20, 2026

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Distance — 1.5 km 40 km 10 km

terrain

Type — Multisports

timer

08:30

Sprint triathlon

Sep 20, 2026

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Distance — 20 km 5 km

terrain

Type — Multisports

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10:00

Team sprint triathlon

Sep 20, 2026

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Distance — 20 km 5 km

terrain

Type — Multisports

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10:30

Super sprint triathlon

Sep 20, 2026

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Distance — 10 km 2.5 km

terrain

Type — Multisports

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11:30

Team super sprint triathlon

Sep 20, 2026

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Distance — 10 km 2.5 km

terrain

Type — Multisports

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11:30

Weather History

These values represent the 3-year monthly averages for September in Dorney.

thermostat Temperature

11.8° / 20.1°

wb_sunny Feels 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

Learn more about the host city, Dorney.

Dorney is a village and civil parish in Buckinghamshire, England. It borders the River Thames to the west and south, and is bisected by the Jubilee River. In 2011 it had a population of 752. It is 2.3 miles (3.7 km) west of neighbouring Eton, which is a slightly larger parish.