Dereham Otters clinched a historic promotion after winning the final leg of National Arena Swimming League's (East Midlands) Division Two series.
Battling in Spalding against teams from Great Yarmouth, Melton Mowbray, South Lincolnshire and the hosts, Otters produced some amazing swims, eventually winning the gala, and indeed gaining first place in the 18-team division.
Dereham will now compete in Division One next season.
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