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Grand Union Canal 145 Mile (GUCR)

London, United Kingdom • 24 May 2025

The Grand Union Canal 145 Mile Race (GUCR) is a premier ultra-distance running event held annually in the UK, covering 145 miles from Gas Street Basin in Birmingham to Little Venice in London. The race follows the well-marked Grand Union Canal Towpath, offering a relatively flat and easy-to-navigate route through diverse urban and rural landscapes. Open to runners aged 20 and over, the event welcomes both supported runners with crews and unsupported runners aided by organizers at feed points every 10-15 miles. With a generous 45-hour time limit, the race emphasizes endurance and self-sufficiency, making it a challenging yet accessible ultra marathon. GUCR is part of the Canalslam series, 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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