David Painter from Dilton Marsh collapsed just after starting the weekly 5k running event at Thoulstone Park near Westbury on June 13. Off-duty officer PC Vicky Howick was one of the runners also taking part, and immediately who came to his aid. "She was able to start CPR straight away and use the parkrun defibrillator, which ultimately helped save my life." PC Vicky Howick meeting David Painter (Image: Wiltshire Police)Runners had initially placed Mr Painter in the recovery position. In response to the incident, the Thoulstone Parkrun has organised a first aid course for 50 runners to ensure more runners are prepared to respond in an emergency.