Even under the government's 'stay at home' advice, exercising outdoors is allowed and the official advice does not require joggers to wear a face covering.
The 5km jog/sprint/walk around parks, fields and heaths across the country has become a Saturday morning must-do for millions of people across the world since its launch in 2004.
Boris Johnson is expected to announce the latest easing of lockdown measures in England later on Thursday as coronavirus cases continue to drop.