Possible Clues:

• Keen runner has easy run
• Wear black uniform during early hours
• Express deep sorrow
• Second lot of ashes perhaps to put on weeds?
• Sounds like time of day to grieve
• What bereaved do with second container for ashes
• Lament passing of month -- one with R in
• Attend a funeral, say
• Grieve for an instant by receptacle for ashes
• Regret getting mixed up with Munro