Boomers dug deep to record a gutsy 1-0 win against Albury City at Jelbart Park on Sunday.
Without suspended coach Andrew Grove, Boomers scored in the second half to maintain fifth position.
Wangaratta jumped six points clear on top after beating Albury United 3-0 at Jelbart Park.
Myrtleford moved back to third spot with a 7-1 triumph over Wodonga Diamonds at Savoy Park.
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Albury Hotspurs kept their outside chance of making the cup finals alive with an upset 2-1 win against Twin City at Kelly Park.
Cobram took down Melrose 6-1 at home, while St Pats recorded its second victory of the season, seeing off Wodonga Heart 6-3 at Willow Park.
The senior men's ladder after round 16 is: Wangaratta 44, Albury United 38, Myrtleford 37, Albury City 34, Boomers 31, Cobram 30, Twin City 21, Melrose 17, Albury Hotspurs 11, Wodonga Diamonds 7, St Pats 6, Wodonga Heart 3.
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