Oxford City's Beth Hawtin won her fifth successive race to confirm the under 11 girls' title at the Oxford Mail Cross Country League.
She clocked 4mins 4secs in the mini-minors race to maintain her 100 per cent record this season.
Banbury Harriers' Connie MacMillan was crowned under 13 girls' champion, despite City's Lauren Hawtin winning the final race of the season in 11.12.
Further City success saw Ellie Clarke-Jacques wrap up the under 15 girls' title, with teammate Jade Walker collecting individual silver.
Oxford City's A and B teams finished first and second in the final standings to cap another superb season.
Abingdon Amblers' James Wiltshire was crowned under 11 boys' champion after winning his final race in 3 mins 59secs.
Banbury Harrier Ollie Simmons wrapped up the under 13 boys' title, while Radley pair George Miller and Stuart Ferguson finished first and second in the under 15 boys' standings.
The duo helped Radley to a comprehensive victory in the combined under 15/17 boys' team competition.
The under 17 boys' title went to Newbury's Marcus Bridger-Wilkinson, while Abingdon Amblers' Archie Vey wrapped up the under 20 men's title, finishing 41 points clear of clubmate Steve Copley.
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