Forecast/conditions: Friday night mostly clear, low around -12F. West Wind around 5mph. Saturday clear and cold. Old, semi-transformed snow.
Base: LF10 Green, scraped and brushed.
Glide: MF10 Green, scraped while bases still warm, and brushed with copper or fine steel, then horsehair then hard nylon brush. Ski several km, then rebrush with horsehair brush before race start.