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 2021 Results and Retirements

Alex Whearity successfully executed his sub-24 hour race plan to defend his 2019 GUCR title, arriving at Little Venice in 23 hours and 25 minutes. Melissa Venables blessed us with her smile all the way to win on her second go in 29 hours and 17 minutes. The 2021 Steve...

GUCR 2021 Race Log & Live Results

Starting 06:00 Saturday 29th May you can see details of Retirements and Finishers on our new 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 Little Venice....

Covid-19 Secure – Guidance, Policies and Procedures (updated 17 May)

Introduction This information applies to all involved including competitors, volunteers, crews, buddy runners and spectators; it must be forwarded to all those attending the event. If there is any question, contact Keith Godden on keith.godden@canalrace.org.uk or...

How to reach Little Venice

Advice on finishing The 145 from a multiple Grand Union Canal Race finisher Written by Paul Ali. Welcome to the Grand Union Canal Race, a well-regarded classic British ultramarathon event. If you are running this event for the first time then you are likely to have...

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