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 hall of fame.
Grand Union Canal 145 mile Race (GUCR) 2025
London – Birmingham
“The Long Run – Uphill”
Saturday 24th May 2025 06:00 at Delamere Terrace, Little Venice, London, UK (Spring bank holiday weekend).
Pre-registration to enter the GUCR draw for places opens 06:00 19th September 2024 on SiEntries.co.uk and closes 31st October.
Race Information | How to Enter
Kennet & Avon Canal 145 mile Race (KACR) 2025
London – Bristol
“The Great Western Run”
Friday 25th July 2025 06:00 at Delamere Terrace, Little Venice, London, UK.
Entries open 06:00 19th September 2024 on SiEntries.co.uk
Unsupported (tended by organisers) places will be limited to 75. Thereafter an Unsupported Wait List will be maintained for those that get in touch.
Race Information | How to Enter
Leeds & Liverpool Canal 130 mile Race (LLCR) 2025
Liverpool – Leeds
“The Trans-Pennine Run”
Saturday 23rd August 2025 06:00 at Old Hall St, Liverpool, UK (Summer bank holiday weekend).
Entries open 06:00 19th September 2024 on SiEntries.co.uk
Unsupported (tended by organisers) places will be limited to 75. Thereafter an Unsupported Wait List will be maintained for those that get in touch.
Race Information | How to Enter
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Keith