No guarantees over when Parkrun will return to Chelmsford, council warns Chelmsford City Council says it cannot guarantee a resumption of Parkrun on the date that national runs are due to resume – despite pressures from the Government. All councils in the UK have been urged to permit weekly Parkrun events to resume in their area. Organisers announced last week that they have delayed the planned return of 5km events in England until June 26. But Chelmsford City Council says a Covid risk assessment for all large events – prior to further relaxation of restrictions on June 21 – is almost impossible and able to show that the risks could be controlled.