Welcome to the official website of Britain’s longest, non-stop, point-to-point towpath running races, the Grand Union Canal Race (GUCR 145), Kennet & Avon Canal Race (KACR 145) and the Leeds & Liverpool Canal Race (LLCR 130). The “Canalslam” totalling over 400 miles.

24th May 2025

25th July 2025

23rd August 2025

Latest News

GUCR 2024 ‘Uphill’ Results and Retirements

Chris Kelly wins in 24 hours 2 minutes, Melissa Venables is first lady in 34 hours 11 minutes and becomes the first to win in both directions. Official results can be found here and the updated Hall of Fame here. 103...

GUCR 2024 Race Log & Live Results

Starting 06:00 Saturday 25th May you can see details of Retirements and Finishers on our Live Results section. Below also shows updates of all goings-on in the form of a race-log for the duration until the last canalrunner arrives in Gas Street. [canalrace-event-log...

2025 Canalslam Series Dates

The dates are set for the 2025 not-for-profit* three ultra race series “The Canalslam” totalling over 400 miles. Each inexpensive race can be entered as a one-off, but competitors completing all three receive a special canalslam finishers' award and inclusion in the...

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