The North Melbourne players hit the track for a final run on Friday, ahead of the clash against the Crows.

The Roos' 22, plus the emergencies were welcomed by plenty of fans for the school holiday open session, with the likes of Jared Polec and Tarryn Thomas' among the most popular autographs. 

A light run capped off a solid week on the track, with a massive clash set for Saturday night at Marvel Stadium.

Check out the best photos below.