Oooh, it’s a CHASE!
Chase mechanics in Savage Worlds are all about Fast, Furious Fun. No advanced mathematics or elaborate maps are required; you simply draw cards based on your Agility roll, and the higher card gets an advantage on the opponent. In our home game, Eran lets us roll any trait that seems appropriate for our characters to gain an advantage in the chase, not strictly Agility. Maybe one of us uses Streetwise to find a secret shortcut, or our spellcaster sends magical winds to assist the other runners instead of advancing herself.
Nadav here does the same, and on top of that he rewards his players for using the details they added to the scene just moments before. It encourages roleplay and making interesting choices, even if you sometimes end up, well…knee-deep in a barrel of tar.