Borrowdale 21k Trail Race

Keswick, United Kingdom • 23 Aug 2026

Borrowdale Trail Half Marathon

The Borrowdale Trail Half Marathon is a trail running event based in Keswick with a distance of 21k. Registration and race numbers are issued at the event HQ at Crow Park, Lake Road, Keswick CA12 5DJ. The event starts near Lingholm CA12 5TZ and finishes at Crow Park; the start and finish locations are not the same. Camping and overnight parking at the venue are not permitted.

The route mixes lakeshore trails, hard packed rocky sections, grassy tracks and woodland singletrack. Total ascent on the 21k course is 550 m and a four hour time limit applies. The course is fully marked so no navigation skills are required. Key locations on the route include Castle Crag, Surprise View, Ashness Bridge, Great Wood, Friar's Crag and the hamlets of Grange, Rosthwaite and Watendlath.

Included with entry are event organisation, safety team cover with checkpoint personnel, qualified medical support, electronic chip timing, marked routes, a hydration station on course and at the finish, a finishers medal and a customised race number. Participants are advised to carry personal nutrition and drinks and to wear suitable clothing and footwear for the conditions. Visit the organization's website for the most recent information.

Race information

Half Marathon
21k
Visit the organization's website for the most recent information.
Trail runs nearby

Ambleside Sports includes a BOFRA fell race on 30 July 2026 at Rydal Park. The course is 1.70 miles with 800 feet of climb through bracken to a rocky summit and includes senior and junior routes.

Rydal Round on 30 July 2026 is the opening Ambleside Sports fell race, listed as 14.5 km with 915 m of climb. Entry is on the day only and competitors must carry full kit under FRA rules.

A 17 mile Borrowdale fell race with about 2000 m ascent, starting and finishing in Rosthwaite, limited to 350 runners and requiring prior fell-race experience.

A fell race on Farleton Knott with a 2.60 mile / 4.20 km route and 750 feet / 230 meters of climb. The course climbs the front of the fell, crosses the top and returns along the lower path; parking costs £3.

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