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

Stop-press news of GUCR 2023

From our reporter Nick Keard As those who’ve read the history of GUCR will know, in 1993 British Waterways opened the GUC towpath as a public right of way. To coincide with the opening, BW suggested that the Trail Running Association might like to organise a foot-race...

A Letter of Congratulations to 2021 Canalslam Finishers

Dear Mich, Andrew, Julian, Brendan, Mark, Laurence, Russell, Andy, Peter and Nicole, On behalf of all Canalrace Volunteers, may I offer sincere congratulations on your completion of the 2021 Canalslam. Throughout last season, all the events were constantly under...

2023 Canalslam Series Dates (updated 7 September)

Stop-press news: To celebrate 30 years of Canal Mania V2, the 2023 GUC race will be "Uphill" from London to Birmingham! Furthermore, early checkpoints on the 2023 London to Bristol (KACR) event will now be approximately marathon distance apart, later ones about 15...

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