The Santiago event combines an adult race with school races, and registration is listed as free in the available information.
Carrizal is preparing a special edition of its nighttime event, which coincides with World Diabetes Day.
ExpoDeca hosts two days of hybrid competition at Plaza de la Música, with individual, pair and relay categories.
Avià will host a night race in November 2026, but key details about the event have yet to be announced.
The Navarre race returns in November with six kilometres, moderate climbing and a course run after dark.
Three routes, tiered entry fees and an autumn running event planned for Palencia.
Alustante will host its autumn trail race on November 14, 2026, but key route details are still unavailable.
The race is scheduled for November, although its course and entry arrangements have not yet been confirmed.
Two routes on Cerro del Telégrafo and a mountain-running day starting and finishing in Moralzarzal.
The Extremadura race returns in November, with a mountain course and a historic castle as its backdrop.
Three stages, nearly 24 kilometres of running and cycling, and two published start times for the November event.
Trevélez will host another running and hiking event with a message opposing gender-based violence.