A man was assaulted on the wooded footpath beside Kingswood Primary School, Corby, in the early hours of Friday morning.
The 40-year-old man was walking along the path between 12.45am and 1am when two men approached and assaulted him and attempted to steal his belongings.
The victim managed to run away from the offenders with minor injuries and without anything being taken.
The first offender was white, 6ft 2ins, slim build, 25 to 30 and with very short hair. He wore light coloured jeans and a light blue coloured tee-shirt that had light coloured horizontal stripes on it.
The second offender was also white, 5ft 8ins, slim build, 25 to 30 and wore a royal blue Brazil 2014 football top and dark tracksuit bottoms with three white stripes on.
Police would like to speak to anyone who may have witnessed this incident or who may have any information regarding it.
Witnesses or anyone with information is asked to contact police on 101 or Crimestoppers anonymously on 0800 555 111.