Sun 14 Apr 2024 Huddersfield, West Yorkshire, UK

I'll 'Sithee' at the Slawit Sweetathon Slog | Marathon

A scenic out-and-back course alongside the Huddersfield Canal. West Yorkshire with a bespoke medal and goodies at the finish.

  • Sun 14 Apr 2024
Waves, Huddersfield




Age 18 & over

  • 26.2 miles trail running


If you like beautiful races in beautiful places, like fun, like medals and like goodies then this event is for you. 

You'll enjoy a bespoke medal and lots of goodies at the finish line.

It's Grim Up North

This event is part of the It's Grim Up North calendar of runs, offering a range of distances and levels of difficulty so there is something for everyone.

Famous for its low-key approach, all runners will be greeted with a warm smile and friendly chat.

The aim is to get you out running, help you enjoy the beautiful countryside with great camaraderie and for you to experience the sense of well-being you get when you cross that finish line.

You'll be shown that the North is anything but Grim.

This event is part of I'll 'Sithee' at the Slawit Sweetathon Slog.

  • All fitness levels
  • Event village
  • Families
  • Newcomers

Difficulty rating

3/5 grim


  • 07:45 | Registration opens for 5K
  • 07:45 | Registration opens for early bird ultra and marathon upon request
  • 08:00 | Registration opens for 10K
  • 08:45 | Registration opens for ultra and marathon
  • 09:00 | Registration opens for 20 miler
  • 09:30 | Registration opens for half marathon

Shoe type

Weather dependant. If wet trail shoes.

  • Bag storage
  • Free parking
  • Rural
  • Toilets

Event HQ

West Yorkshire


Parking is very limited, you can however park on the streets around the village of Slaithwaite. Wherever possible please travel by public transport or car share.


Registration is at Slaithwaite Community Centre, Bank Gate, Slaithwaite, HD7 5XE. Please note the start and finish is at a different point from registration. The start and finish is at the side of the Huddersfield narrow gauge canal. 

  • Cut off time
  • Distance markers
  • First aid
  • Food stations
  • Marshals
  • No headphones
  • Out and back
  • Single start
  • Undulating
  • Water stations
  • Way markers

Depending which route you are doing there is one major road crossing and a couple of small road crossings - please take extra care. Marshals are not allowed to stop traffic.

The route is a mixture of good canal towpath and not-so-good canal towpath. The not-so-good canal towpath does become muddy after wet weather.

Water/feed stations

There will be water/feed stations along the route approximately every 3 miles. Marshals will be placed along the route at the turnaround points and on the water/feed stations. 

Cut off time

6.5 hours.

Marathon runners may request an earlier start.


The use of headphones is not endorsed for the following safety reasons:

  • Runners cannot always hear the marshals’ instructions
  • Runners may not hear cyclists behind them and stray into their path
  • Bone conduction earphones are allowed

  • Bring your own cup

This is cupless event. All runners are requested to bring their own labelled, reusable cup or bottle. These may be filled before, during and after the event.

  • Chip timing
  • Goody bag
  • Map
  • Medal


  • It's Grim Up North running experience
  • Joy
  • Unique medal design
  • Lots of lovely things at the finish line

  • Age 18 & over
  • Collect race pack
  • Enter online
  • Event merch available

Other races at event

  • Sun 14 Apr
  • #1 of 5
Waves, Huddersfield




Age 16 & over

  • 5 km trail running
  • Sun 14 Apr
  • #2 of 5
Waves, Huddersfield




Age 16 & over

  • 10 km trail running
  • Sun 14 Apr
  • #3 of 5
Waves, Huddersfield

Half Marathon



Age 17 & over

  • 13.1 miles trail running
  • Sun 14 Apr
  • #5 of 5
Waves, Huddersfield




Age 21 & over

  • 32 miles trail running