The first registration phase for the Guarda BTT Winter race runs until 30 September, with the race scheduled for 29 November 2026
One source
What the source said
SAPO Notícias
“Até dia 30 de setembro, decorre a 1.ª fase de inscrições para o Invernal de BTT da cidade da Guarda”
Machine translation: Until 30 September, the first registration phase for the Guarda BTT Winter race is taking place
Read at SAPO NotíciasReported by one source so far. It is confirmed when a second, independent source reports the same thing.