Grim Reservoir Dogs

NOV
7
2026
Dog friendly trail race around Swinsty and Fewston Reservoirs in North Yorkshire with 3.3 mi and 6.7 mi loop options on well signed off road trails.
7 miles 3 miles

Always double-check with the organizer's website! This page may contain affiliate links.

The Grim Reservoir Dogs

The Grim Reservoir Dogs is a dog friendly trail event held at Swinsty & Fewston Reservoir Car Park, North Lane, Otley, LS21 2NP in North Yorkshire. The event is presented as a multi-day offering where participants can join for a single day or multiple days. It is described as a fun dog race and is not run under Canicross rules and regulations.

The course follows mainly off-road, well maintained paths through woodland with views of the reservoirs and seasonal colours. The route is described as undulating in elevation and fully marshalled with clear signage. Aid provision includes feed and drink stations approximately every 3 miles. Every finisher receives a bespoke race medal and dogs are given treats. Public toilets are available on site.

Distances

  • 3.3 miles loop
  • 6.7 miles loop

Registration is at the reservoir car park and parking is located next to registration in the public pay and display car park; council parking charges may apply. The event notes wide trails suitable for running with a dog and a relaxed, welcoming atmosphere for runners and their canine companions. Visit the organization's website for the most recent information.

Events nearby

Halloween themed trail event on the Leeds to Liverpool Canal with distances from a 1 mile fun run to ultra marathon, medals, treats and fancy dress prizes.
Full and half marathons around Gargrave through Yorkshire Dales to the Broughton Stone Circle, volunteer run and non profit with looped courses and on route refreshments.
Nighttime trail run at Swinsty and Fewston Reservoir with two looped course options, marked route, aid stations every 3 miles and a bespoke finisher medal.
A TRA-licensed trail run on a 6.7-mile reservoir loop around Fewston and Swinsty, with multiple distances, aid stations, marshals, and a cup-less policy.
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.