| 2017-18 League Composition | | | | | | Ladies | Mens | Mixed | | Division 1 | Division 1 | Division 1 | | Clifton A | Clifton A | Clifton A | | RI Tues/Thurs | Clifton B | Clifton B | | Selby1 | David Lloyd A | RI Tues/Thurs A | | University Students | Selby A1 | Riverside | | York RI A | York RI A | Selby A1 | | York RI B | York RI B | Selby B1 | | | | York RI A | | Division 2 | Division 2 | | | Clifton B | Fulfordgate | Division 2 | | David Lloyd | Huntington | Clifton C | | Huntington | RI Tues/Thurs A | Fulfordgate A | | Riverside | RI Tues/Thurs B | Ryedale2 | | Selby Jubilee | Selby Jubilee | Selby Jubilee A | | Tadcaster '86 | Tadcaster '86 | Tadcaster '86 | | | University Students | York RI B | | | | | | | Division 3 | Division 3 | | | Clifton C | Huntington A | | | Copmanthorpe | Huntington B | | | David Lloyd B | Knavesmire | | | Pocklington | RI Tues/Thurs B | | | Ryedale2 | RI Tues/Thurs C | | | Selby B | York St.John University | | | York RI C (Colts) | | | | | Division 4 | | | | Copmanthorpe | | | | David Lloyd | | | | Fulfordgate B | | | | Middlethorpe | | | | Selby Jubilee B | | 1formerly Selby Drax | | | | 2formerly Pickering | | |
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