Whanganui Mayor Annette Main is a surprise candidate for the Whanganui District Health Board in the upcoming local government elections.

Ms Main announced earlier this year she would not be seeking re-election as mayor.

Fifteen candidates are contesting seven places on the board. The full list of candidates is:

Adams, Graeme
Anderson, Charlie
Baker-Hogan, Philippa
Duncan, Jenny
Ellwood, Ngaire Jean
Firmin, Kiritahi
Hylton, Stuart Graeme
MacDonald, Judith
Main, Annette
Osborne, Susan
Stanbrook-Mason, Wendy
Stevens, Ray
Teki, Christie
Vinsen, Rob
Wills, Rangi