On November 9, 2025, participants in The One by the Canal will enjoy a tranquil & picturesque half marathon starting at Cowley Recreation Ground in Uxbridge and concluding at Watford’s Cassiobury Park. Organized by OneRace Events, the route follows the scenic Grand Union Canal through woodland paths and country trails, offering flat, well-mapped terrain ideal for runners of all levels. The race features chip timing, a bespoke finisher’s medal, bag drop, hydration stations approximately every 5 km, portable toilets, medical support, and on-site catering for a fully supported experience. There’s even a pre-race coach shuttle from the finish back to the start, ensuring smooth logistics for participants.
Race
Half Marathon
Race Date:
09 November, 2025
The One by the Canal 2025 is a scenic half-marathon trail run organized by OneRace Events, scheduled for Sunday, 9 November 2025. The race begins at Cowley Hall Recreation Ground in Cowley, Uxbridge, traces the picturesque Grand Union Canal, and finishes at Cassiobury Park in Watford.
Weather based on historical averages.
FAQs
What is the The One by the Canal Half Marathon?
How long is the The One by the Canal Half Marathon?
Where does the The One by the Canal Half Marathon take place?
What is the elevation gain of the The One by the Canal Half Marathon?
How can I prepare for the The One by the Canal Half Marathon?
How do I choose the right training plan for the The One by the Canal Half Marathon?
The One by the Canal 2025 is a scenic half-marathon trail run organized by OneRace Events, scheduled for Sunday, 9 November 2025. The race begins at Cowley Hall Recreation Ground in Cowley, Uxbridge, traces the picturesque Grand Union Canal, and finishes at Cassiobury Park in Watford.
The The One by the Canal Half Marathon is 21km long.
The The One by the Canal Half Marathon takes place in Cowley, Uxbridge, UK.
Runna classifies the The One by the Canal Half Marathon elevation profile as Flat.
The best way to train for the next race is to use a personalised 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 personalised 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 The One by the Canal Half Marathon?
The One by the Canal 2025 is a scenic half-marathon trail run organized by OneRace Events, scheduled for Sunday, 9 November 2025. The race begins at Cowley Hall Recreation Ground in Cowley, Uxbridge, traces the picturesque Grand Union Canal, and finishes at Cassiobury Park in Watford.
How long is the The One by the Canal Half Marathon?
The The One by the Canal Half Marathon is 21km long.
Where does the The One by the Canal Half Marathon take place?
The The One by the Canal Half Marathon takes place in Cowley, Uxbridge, UK.
What is the elevation gain of the The One by the Canal Half Marathon?
Runna classifies the The One by the Canal Half Marathon elevation profile as Flat.
How can I prepare for the The One by the Canal Half Marathon?
The best way to train for the next race is to use a personalised 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 The One by the Canal Half Marathon?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised 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:
Running
Tags:
Nature
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by The One by the Canal 2025 or OneRace Events. 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 The One by the Canal 2025 website.
