Organisers of the Northstowe Half are urging volunteers to get involved.
The annual event sees hundreds of people take part in the multi-terain course around the new South Cambridgeshire town.
This year it takes place on Sunday 14 April and the chosen charity beneficiary is the Cambridge Acorn Project.
Lizz Mayers tells Star Radio what sorts of things volunteers will be doing.
For more information, see www.northstowehalf.co.uk.
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