Trail Running calendar near Thetford 2025-2026

We have found 184 Trailruns within 80 miles of Thetford. See below where and when you can find the races.

Shires and Spires is a celebrated multi-terrain running event held in Northamptonshire, starting and finishing at historic Naseby Village Hall. Known for its scenic routes through countryside and past landmarks like Holdenby House and Althorp House, the race offers five distances: 10K, half marathon..

The Halstead & Essex Marathon, established in 1995, is an annual running event held in North Essex, starting at Halstead Leisure Centre. Celebrating its 30th year in 2026, the marathon features a scenic course on low-traffic roads through rolling hills, woods, and farmlands, offering a beautiful and..

The Five Rivers Ultra is a scenic ultra-endurance running event held along the wild North Essex and South Suffolk coastline, finishing in Harwich, Suffolk. It offers three distance options: 100 miles, 50 miles, and 50 km, with generous cut-off times. The point-to-point course features a flat and fas..

Farmmageddon is an endurance running event held at Hyde Hall Farm, Buntingford. The main challenge is a 100-mile race completed over 32 hours, featuring a 5.3 km loop course that includes trail, grassland, and some tarmac paths. The event caters to all abilities with multiple distance options.Partic..