Just after 5.45pm on Friday, December 30 the 30-year-old victim was out running.
When she was in John Bunyon Close she was approached by a man who kicked her to the ground and stole personal items from her.
The man is described as: White, aged 20 to 25, of skinny build, wearing dark coloured trousers and a hooded top with the hood up. He also had a bicycle with him.
Detective Constable Angela Smith, said: “I am appealing for anyone who witnessed this incident to come and speak to us. The victim was assaulted before the man stole her personal belongings and then made off from the scene. If you have any information, please get in touch.
“As always I would advise people to take precautions when out running; try to run with other people when possible, tell someone where you are going and how long you expect to be, and always be aware of your surroundings.”
Anyone who witnessed the attack is asked to call Hampshire Police on 101