Kennet & Avon Canal 145 Mile Race

London, United Kingdom • 25 Jul 2025

The Kennet & Avon Canal 145 Mile Race (KACR) is a challenging non-stop ultramarathon held in the UK, running from Little Venice, London, to Bristol. Covering 145 miles, the route follows easy-to-navigate canal, river, and railway towpaths, including the Grand Union Canal, Jubilee River, River Thames, Kennet & Avon Canal, and River Avon paths. Runners experience scenic English countryside and notable landmarks like the Caen Hill flight of 29 locks.

The event supports both crew-supported and unsupported runners, with aid stations approximately every 25 miles. It has a 45-hour time limit and is part of the Canalslam series. The race emphasizes minimal support, self-sufficiency, and a low-key atmosphere. Visit the organization's website for the most recent information.

Race information

145 mi
237 m+
145 Mile
Visit the organization's website for the most recent information.
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