The Dorney Triathlon September is a premier triathlon event held at the iconic Dorney Lake near Windsor, Berkshire—a venue famously used for rowing in the 2012 London Olympics. Athletes can choose from three main triathlon distances: the Super Sprint (400 m swim, 10 km bike, 2.5 km run), Sprint (750 m swim, 20 km bike, 5 km run), and Standard/Olympic (1.5 km swim, 40 km bike, 10 km run). There are also Aquabike options (swim + bike) and relay team entries (2–3 members sharing the legs), all on flat, chip-timed courses in the scenic, traffic-free lake setting.
Races
10 km
5 km
2.5 km
Race Date:
27 September, 2025
The Dorney Triathlon Standard is a certified, chip-timed triathlon held at Dorney Lake in Windsor, UK, featuring a 1,500 m open-water swim, a flat 40 km bike circuit and a 10 km run—all on traffic-free Olympic-caliber course grounds. Ideal for athletes seeking a fast and well-supported experience, it includes accurate swim buoy navigation, multiple bike loops, aid stations, penalty enforcement, and a unique themed medal at the finish.
Race Date:
27 September, 2025
The Dorney Triathlon Sprint is a certified and chip‑timed event held at scenic Dorney Lake near Windsor, UK, featuring a 750 m swim, 20 km flat bike on closed roads, and a final 5 km run—ideal for those seeking speed on a fast, traffic‑free Olympic venue.
Race Date:
27 September, 2025
The Dorney Triathlon Super Sprint is a fast and flat certified triathlon held at Dorney Lake (Windsor, UK), featuring a 400 m swim, 10 km bike, and 2.5 km run—ideal for beginners and seasoned athletes looking for a compact, chip-timed race on a traffic-free Olympic venue
Weather based on historical averages.
FAQs
What is the Dorney Triathlon Standard?
How long is the Dorney Triathlon Standard?
Where does the Dorney Triathlon Standard take place?
What is the elevation gain of the Dorney Triathlon Standard?
How can I prepare for the Dorney Triathlon Standard?
How do I choose the right training plan for the Dorney Triathlon Standard?
The Dorney Triathlon Standard is a certified, chip-timed triathlon held at Dorney Lake in Windsor, UK, featuring a 1,500 m open-water swim, a flat 40 km bike circuit and a 10 km run—all on traffic-free Olympic-caliber course grounds. Ideal for athletes seeking a fast and well-supported experience, it includes accurate swim buoy navigation, multiple bike loops, aid stations, penalty enforcement, and a unique themed medal at the finish.
The Dorney Triathlon Standard is 10km long.
The Dorney Triathlon Standard takes place in Windsor, Berkshire, United Kingdom.
Runna classifies the Dorney Triathlon Standard elevation profile as Flat.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Dorney Triathlon Standard?
The Dorney Triathlon Standard is a certified, chip-timed triathlon held at Dorney Lake in Windsor, UK, featuring a 1,500 m open-water swim, a flat 40 km bike circuit and a 10 km run—all on traffic-free Olympic-caliber course grounds. Ideal for athletes seeking a fast and well-supported experience, it includes accurate swim buoy navigation, multiple bike loops, aid stations, penalty enforcement, and a unique themed medal at the finish.
How long is the Dorney Triathlon Standard?
The Dorney Triathlon Standard is 10km long.
Where does the Dorney Triathlon Standard take place?
The Dorney Triathlon Standard takes place in Windsor, Berkshire, United Kingdom.
What is the elevation gain of the Dorney Triathlon Standard?
Runna classifies the Dorney Triathlon Standard elevation profile as Flat.
How can I prepare for the Dorney Triathlon Standard?
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Dorney Triathlon Standard?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Dorney Triathlon Sprint?
How long is the Dorney Triathlon Sprint?
Where does the Dorney Triathlon Sprint take place?
What is the elevation gain of the Dorney Triathlon Sprint?
How can I prepare for the Dorney Triathlon Sprint?
How do I choose the right training plan for the Dorney Triathlon Sprint?
The Dorney Triathlon Sprint is a certified and chip‑timed event held at scenic Dorney Lake near Windsor, UK, featuring a 750 m swim, 20 km flat bike on closed roads, and a final 5 km run—ideal for those seeking speed on a fast, traffic‑free Olympic venue.
The Dorney Triathlon Sprint is 5km long.
The Dorney Triathlon Sprint takes place in Windsor, Berkshire, United Kingdom.
Runna classifies the Dorney Triathlon Sprint elevation profile as Flat.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Dorney Triathlon Sprint?
The Dorney Triathlon Sprint is a certified and chip‑timed event held at scenic Dorney Lake near Windsor, UK, featuring a 750 m swim, 20 km flat bike on closed roads, and a final 5 km run—ideal for those seeking speed on a fast, traffic‑free Olympic venue.
How long is the Dorney Triathlon Sprint?
The Dorney Triathlon Sprint is 5km long.
Where does the Dorney Triathlon Sprint take place?
The Dorney Triathlon Sprint takes place in Windsor, Berkshire, United Kingdom.
What is the elevation gain of the Dorney Triathlon Sprint?
Runna classifies the Dorney Triathlon Sprint elevation profile as Flat.
How can I prepare for the Dorney Triathlon Sprint?
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Dorney Triathlon Sprint?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Dorney Triathlon Super Sprint?
How long is the Dorney Triathlon Super Sprint?
Where does the Dorney Triathlon Super Sprint take place?
What is the elevation gain of the Dorney Triathlon Super Sprint?
How can I prepare for the Dorney Triathlon Super Sprint?
How do I choose the right training plan for the Dorney Triathlon Super Sprint?
The Dorney Triathlon Super Sprint is a fast and flat certified triathlon held at Dorney Lake (Windsor, UK), featuring a 400 m swim, 10 km bike, and 2.5 km run—ideal for beginners and seasoned athletes looking for a compact, chip-timed race on a traffic-free Olympic venue
The Dorney Triathlon Super Sprint is 2km long.
The Dorney Triathlon Super Sprint takes place in Windsor, Berkshire, United Kingdom.
Runna classifies the Dorney Triathlon Super Sprint elevation profile as Flat.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Dorney Triathlon Super Sprint?
The Dorney Triathlon Super Sprint is a fast and flat certified triathlon held at Dorney Lake (Windsor, UK), featuring a 400 m swim, 10 km bike, and 2.5 km run—ideal for beginners and seasoned athletes looking for a compact, chip-timed race on a traffic-free Olympic venue
How long is the Dorney Triathlon Super Sprint?
The Dorney Triathlon Super Sprint is 2km long.
Where does the Dorney Triathlon Super Sprint take place?
The Dorney Triathlon Super Sprint takes place in Windsor, Berkshire, United Kingdom.
What is the elevation gain of the Dorney Triathlon Super Sprint?
Runna classifies the Dorney Triathlon Super Sprint elevation profile as Flat.
How can I prepare for the Dorney Triathlon Super Sprint?
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Dorney Triathlon Super Sprint?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
More
Sport:
Triathlon
Tags:
Team
Nature
Relay
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Dorney Triathlon September or RunThrough. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the Dorney Triathlon September website.
