Darkwood Demon

Linthwaite, United Kingdom • 13 Sep 2026

Darkwood Demon

The Darkwood Demon takes place on Sunday 13th September 2026 in the Colne Valley near Huddersfield, West Yorkshire. The event is organised by Slaithwaite Striders RC and is based at Zapato Brewery in Marsden.

The course is a single lap of 6.0 miles (9.7 km) with approximately 990 feet 300 metres of ascent. Terrain includes towpath, bridleway, moorland, bogs, woodland and road. The route is marshalled and waymarked so navigation is not required. Surface composition is about 85 percent trail and 15 percent road. Trail shoes are strongly recommended and there are no kit requirements listed.

Entry is limited to 250 places and the minimum age for entrants is 16. The event will be held under UK Athletics rules. Entry fees at the time of listing were £8 for affiliated runners and £10 for unaffiliated runners with the possibility of on the day entry for an additional £1. Trophies are inscribed for first place male and first place female, with prizes for the top three male and top three female plus age category prizes. Course records are listed as Male 36:58 and Female 47:56.

Facilities at race headquarters include on site parking, water and toilets. There are no distance markers, no changing facilities, no showers and no baggage storage. Bib numbers are collected inside race headquarters. Visit the organization's website for the most recent information.

Race information

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

Pinhaw is an 8 km fell race on 8 May 2026 near Earby in the South/West Pennines, climbing about 213 m. Entry is available both in advance and on the day with modest fees.

Three circular challenge routes of 26.2, 23 and 18 miles around the Colne Valley near Marsden. Entries are by SIEntries with a 150 person limit and include checkpoints, refreshments and a finish meal.

A self-navigated trail event around Delph, Saddleworth covering about 19 miles with 3000 ft of ascent. The unmarked course visits five trig points, has three manned checkpoints, and requires full kit and a minimum age of 18.

A trail event around Delph, Saddleworth visiting trig points over roughly 18–19 miles with 3000 ft of ascent. The unmarked course requires self-navigation, mandatory full kit, manned checkpoints and post-race hot drinks.

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