Northern Thunder maintained their 100% record in front of the biggest ever Superleague crowd at Team Bath.
Thunder's 52-49 win in front of 1,100 spectators means they sit second in the table having played six matches.
The Bury-based outfit have two games in hand on Hertfordshire Mavericks, who beat Glasgow Wildcats 47-24.
Team Bath are third with Surrey Storm, who beat Loughborough Lightning 58-53, in the fourth and final play-off spot after eight rounds of the campaign.
There is a one-week break in the action before games resume on Friday, 18 March.
Round eight results:
Glasgow Wildcats 24-47 Hertfordshire Mavericks
Leeds Carnegie 52-55 Celtic Dragons
Surrey Storm 58-53 Loughborough Lightning
TeamBath 49-52 Northern Thunder