Logo

The Hardmoors 55

Guisborough, United Kingdom • 21 Mar 2026

The Hardmoors 55 is a 55-mile ultramarathon from Guisborough to Helmsley, traversing the North York Moors and the Cleveland Hills. About 95% of the route sits on the Cleveland Way National Trail, with over 2700m of ascent and potentially wintery conditions. Runners pass through a sequence of checkpoints (6.5 to 53 miles) offering basic food and water, plus a compulsory tracker.

The race is designed to be run unsupported, with strict kit checks and penalties for missing items. A single support runner is allowed from Sutton Bank to the finish. Drop-bags and coach transfers are available, with a 16-hour cut-off. Visit the organization's website for the most recent information.

United Kingdom North East (England) Guisborough

Race information

Website Registration
55 mi
2700 m+
55 Miles
Visit the organization's website for the most recent information.
Trail runs nearby

Hardmoors 26.2: Roseberry

Guisborough

Hardmoors 26.2: Roseberry is a North York Moors trail marathon in Guisborough, part of the Hardmoors 26.2 series. The event offers three distances: 30 miles (Trail Marathon), 14.5 miles (Half Marathon), and 10k (9 miles). Elevation gains: 4,850 ft, 3,200 ft and 1,600 ft.The course is not taped or si..

MindOverMoors - Glaisdale Gallop

Glaisdale - 11 mi from Guisborough

MindOverMoors presents the Glaisdale Gallop, a not-for-profit trail race in Glaisdale, Whitby, North Yorkshire. The 5.5-mile route climbs through the village’s scenic trails and surrounding countryside, with around 1,000 feet of ascent and views that reward the effort. The course is well marked and..

Sutton Bank Sizzler

Sutton-under-Whitestonecliffe - 22 mi from Guisborough

Night Race Sutton Bank Sizzler is a circular trail race and part of the Hardmoors Race Series. The approximately 7-mile route starts at Sutton Bank Visitor Centre, near Thirsk, Yorkshire, and features about 344m of ascent. In true Hardmoors fashion, the route is marked with glow sticks and marshalle..

Raby Castle Trail Runs

Darlington - 20 mi from Guisborough

The Raby Castle Trail Runs, held at the historic Raby Castle in Staindrop, Darlington, offer scenic trail running through 200 acres of parkland featuring medieval castle views, ornamental lakes, and roaming herds of red and fallow deer. Participants can choose from 5, 10, or 15-mile distances, with..

Saturn 7 Hour Time Challenge - Durham

Durham - 26 mi from Guisborough

...

The Saturn 7 Hour Time Challenge in Durham is a trail running event held at the Durham Amateur Rowing Club along the scenic River Wear, offering views of the Cathedral. Participants can run as many laps as they wish within seven hours, with each lap measuring approximately 4.37 miles (7 km), subject..

The Hardmoors 60

Guisborough

The Hardmoors 60 is a 60-mile ultramarathon along the Cleveland Way from Guisborough to Filey, skirting cliff tops and passing coastal towns and fishing villages such as Saltburn, Staithes, Robin Hood’s Bay, Ravenscar, Scarborough, and Filey. The race starts at Guisborough Rugby Club and uses live-t..