Darkwood Demon

Linthwaite, United Kingdom • 14 Sep 2025

Darkwood Demon is a 6.0-mile trail race set in the Colne Valley near Slaithwaite, Huddersfield, West Yorkshire. The course weaves through towpaths, bridleways, moorland and woodland, delivering spectacular valley views and a challenging climb up Slaithwaite Moor to Cupwith, followed by a fast descent to the finish at Zapato Brewery for refreshments. It is predominantly trail running (about 85% trail, 15% road) with a hilly profile, fully marshalled and waymarked, and chip-timed.

Facilities include water, toilets and on-site parking at the race HQ. Prizes include trophies for the first man and woman, top-3 prizes, and spot prizes. Organised by Slaithwaite Striders RC; open to runners aged 16 and over. Visit the organization's website for the most recent information.

Race information

6 mi
6.0 Miles
Visit the organization's website for the most recent information.
Trail runs nearby

Two winter races from Great Owl Running on 24 January 2026 at Kirkstall Bridge. A roughly 16 km multi terrain route follows the canal and River Aire while a 10 km out and back runs along the canal.

Run the Petzl Night Runner at Rivington under head torch light, choosing 10 km or a half marathon on glow in the dark trail signage. Expect rough, boggy, rocky terrain, a finisher medal and lively post race buzz.

The North of England Cross Country Championships come to Pontefract Race Course on 24 January 2026, with races for U13 to senior athletes on a challenging parkland course. Chip timing and club colours required, entries close 18 January.

Take on The Half & Half 10 km on 25 January 2026 at Sowerby Bridge for a split terrain challenge. Rugged muddy trails and obstacles give way to a tarmac finish, entries are limited to 100 and hoodies are available to pre order.