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Grand Union Canal 145 Mile (GUCR)

London, United Kingdom • 24 May 2025

The Grand Union Canal 145 Mile Race is a prestigious ultra-marathon taking place along the scenic Grand Union Canal Towpath from Gas Street Basin in Birmingham to Little Venice in London. Scheduled for May 2025, this non-stop race is open to participants aged 20 and over, welcoming runners of all abilities. The course is relatively flat and well-marked, featuring support stations every 10-15 miles. With a generous overall time limit of 45 hours, the event emphasizes camaraderie and enjoyment over competition. It is part of the "Canalslam" series, which includes three races totaling over 400 miles. Visit the organization's website for the most recent information.

United Kingdom London London

Race information

Website Registration
145 mi
145 Miles
Visit the organization's website for the most recent information.
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