A man was walking through Thoroughsale Woods and came out onto Clydesdale Road, Corby, when he was allegedly punched several times by a man who initially asked him for a cigarette.
The assault is reported to have happened at around 5.15pm on Saturday, 13 August.
A 25-year-old man from Corby was arrested on suspicion of assault and released with no further action
Anyone with information can contact Northamptonshire police on 101. Alternatively, they can call the independent charity Crimestoppers anonymously on 0800 555 111.