Kiwi race walker Alana Barber will go to the Sports Tribunal if she's not added to the New Zealand track and field squad for the Rio Olympics.

Barber has posted two B standard qualifying times but failed to secure an A standard that would have guaranteed her Olympic ticket.

She says she won't let the matter rest if she's not selected.

She says she would fight for it and knows her coach would back her as well.

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The full New Zealand track and field team for Rio is named tomorrow.