The document discusses changes taking place in Basque ethnolinguistic mobilization, using the case study of Korrika, a large footrace held every two years to promote the Basque language. It provides data on the diffusion of the Basque language across territories and actors involved in supporting and conflicting over its use. The author's participant observation of the last Korrika in 2009 revealed how it symbolizes ongoing discontinuities regarding language, territory, and transmission responsibilities in Basque society. Concluding remarks discuss how Basque cultural activism may become more politicized and entangled with broader nationalist support networks in response to changing political opportunities.