TrailFest Holdenby House
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The TrailFest Holdenby House on 13 September 2026 in Northampton, offers a 10km, Half Marathon, Marathon and 50km Ultra Marathon distance. The different distances all use the same parts of a 10km course within the private grounds of the Holdenby House estate, starting and finishing between the Basecourt Arches. The course takes runners through fields…