MELBOURNE'S hit the track for its first session of the AFLW pre-season on Tuesday night, with the hard work beginning ahead of 2020.

The Dees were all smiles as they ran out onto Gosch's Paddock, with reigning Best and Fairest winner Karen Paxman crossing the line first in the club's 2km time trial.

Check out all the action from the session below.

Chantel Emonson

Lily Mithen

Karen Paxman

Karen Paxman

Daisy Pearce

Shae Sloane

Libby Birch

Sarah Lampard

Daisy Pearce

Eden Zanker

Eden Zanker

Sarah Lampard

Kate Hore

Krstel Petrevski