The AFLW minor premiers set the record after easily outclassing fellow top-four side Hawks with a 10.7 (67) to 2.6 (18) victory at a rain-soaked Kinetic Stadium in Frankston on Friday night.
Tahlia Randall kicked four goals as Ash Riddell went to work in the midfield to help the Kangaroos mark captain Jasmine Garner's 100th game in style.
North Melbourne last week steamrolled St Kilda by 46 points to equal the AFL consecutive wins record of 23 games set by Geelong through the 1952-53 VFL seasons.
The Kangaroos, unbeaten since losing the 2023 grand final, head into finals after completing a perfect season.
Last year's round-two draw with Geelong is the only "blemish" on the reigning premiers' record.
League best-and-fairest favourite Riddell had her usual influence with 28 disposals and four clearances.
Garner led the Kangaroos with 13 contested possessions, and finished with 24 touches.
Eliza West (14 contested possessions, 30 disposals, seven clearances) was busy for Hawthorn, while the home side's two goals came from 75-gamer Greta Bodey and Aine McDonagh.
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