Related Clues:

• Works like a dog
• Struggles (through)
• Moves through mud, e.g.
• Treks (through)
• Muddy marches
• Difficult journeys
• Arduous travels
• Hard, boring efforts
• Wades through the surf
• Walks through mud
• Unpleasant chores
• Hard jobs
• Trudges along
• Trudges through the muck
• What a tail-ender does in a run chase