Sithee at Slawit Again

JUL
11
2026
Races run from Slaithwaite along the Huddersfield narrow gauge canal, including a 3.5 mile tunnel. Four distances from 5k to marathon with feed stations roughly every three miles and marshals along the route.
Marathon Half Marathon 10 kilometers 5 kilometers

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Sithee at Slawit Again

The event starts and finishes in the village of Slaithwaite and follows a stretch of the Huddersfield narrow gauge canal that includes many locks and a 3.5 mile tunnel known as Tunnel End. The route includes off road sections and some unmarshalled road crossings.

Four race distances are offered:

  • 5k
  • 10k
  • Half marathon
  • Marathon

Feed and water stations are positioned on the course, normally around every three miles, and the organiser aims to be cup less so participants are asked to bring a reusable cup or bottle. Marshals are positioned along the route to provide direction and assistance. The event is licenced by the Trail Running Association and has a generous 6.5 hour cut off time for completion.

Registration, toilets and bag drop are located at Slaithwaite Community Centre on Bank Gate, a venue that receives a donation from the organiser for its use. The start and finish take place on the canal just outside Waves. Parking at the start is very limited; additional parking is available in town carparks and side streets. Entry fees range from £16 to £42 depending on distance. Transfers or deferrals can be self-served within 48 hours. If a participant needs to retire they should notify the closest marshal. At the finish runners receive a bespoke medal, drinks and edible refreshments. Visit the organization's website for the most recent information.

Marathon
Marathon
Half Marathon
Half Marathon
10 km
10k
5 km
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