The MTB Castanha Iberian Marathon is an all-terrain cycling event in Bragança in November as part of the program of the Feira Internacional do Norte – Norcaça, Norpesca and Norcastanha.

The MTB Iberian Chestnut Marathon is a race that allows participants to get to know the region in one of the most colorful periods of the year, with the arrival of autumn. It is a diversified race with the possibility of choosing routes, the short one has 35km and the long one 60km.

Source: https://www.cm-braganca.pt/visitar/agenda-de-eventos/todos-os-eventos/evento/maratona-iberica-da-castanha-btt