I often get asked how to keep a low-energy Bullmastiff mentally stimulated without turning training sessions into sprints or high-intensity workouts. Scentwork has been one of the best answers I’ve found. It’s gentle on joints, taps into a dog’s natural instincts, and — when planned properly — builds confidence, focus and calm. Below is a six-week scentwork plan I use with quiet, older, or low-drive Bullmastiffs. It’s designed to be progressive, predictable and adaptable to each dog’s pace.

Why scentwork for low-energy Bullmastiffs?

Bullmastiffs are thoughtful, steady dogs. They don’t always throw themselves at toys or high-energy games, but their noses are powerful tools for engagement. Scentwork:

  • Provides low-impact physical activity that’s easy on hips and joints.
  • Encourages problem-solving and sustained focus.
  • Builds confidence for shy or rescue dogs by giving them a job they can succeed at.
  • Helps settle anxious dogs — the repetitive searching is calming.

    • In my experience, a short, regular scentwork session does far more for attention and behaviour than a long walk for some Bullmastiffs. It’s also an excellent activity for rainy days or when mobility limits exercise.

    Before you start: what you’ll need

    Keep gear simple. I recommend:

  • High-value treats that your dog loves — small, soft pieces work best. I often use boiled chicken or commercial training treats like Zuke’s Mini Naturals.
  • A few sturdy scent containers — muffin tins, small plastic boxes, or scentwork hides you can buy from online retailers.
  • A clicker if you use one, or a consistent marker word like “yes!”
  • A long line (3–6m) if you plan to do outdoor searches but want control.
  • Optional: a favourite toy for dogs that respond well to play rewards.

    • Set aside 5–10 minutes per session twice daily. Short sessions keep motivation high and prevent frustration.

    How I structure the six-week plan

    The plan follows a simple progression: introduce scent, teach search mechanics, increase difficulty, then generalize to new locations and distractions. Each week has a clear focus and examples of exercises. Move at your dog’s pace — if a week feels rushed, repeat it.

    WeekFocusGoal
    1Value the scentDog finds reward in a single, obvious container
    2Develop search mechanicsDog moves between containers, showing clear inspection behaviour
    3Introduce hidesDog investigates simple out-of-sight placements
    4Distance and durationDog searches larger area and sustains search
    5Distractions and elevationDog maintains focus with gentle distractions and elevated hides
    6GeneralisationSearches in new rooms/locations confidently

    Week 1 — Value the scent

    Objective: Make the scent something the dog actively wants.

  • Choose an item to be the “target” — a small cloth or a scent tin with a bit of food inside. If you plan to use essential oils later, start simply with a food-scented cloth.
  • Play a short game of “find the food” with the cloth in plain view. Mark and reward instantly when your dog looks at, sniffs or touches it.
  • Do 5 repetitions per session. Keep tone upbeat and reward liberally.

    • Tip: If your dog is shy about approaching new objects, hold the cloth yourself and reward them for coming closer before placing it down. Patience here builds trust.

    Week 2 — Develop search mechanics

    Objective: Teach your dog to check multiple containers.

  • Line up 3–4 muffin tin cups or small boxes on the floor. Put the scented cloth in the first cup in plain view.
  • Use a release cue like “Find it” and allow your dog to investigate. Mark and reward when they show interest in the correct cup.
  • Gradually make the correct cup less obvious — move it further from you or slightly turned away.

    • At this stage I still show the dog the scent each time before I hide it. The important behaviour is the inspection of containers and movement between them.

    Week 3 — Introduce hides

    Objective: Move the target out of direct sight so the dog must use scent.

  • Start with simple hides: behind an upturned box, under a towel, or slightly behind a couch cushion.
  • Keep the dog on a short lead and guide them into the search area. Use the same cue and reward generously when they find the target.
  • If the dog seems confused, make the hide easier. The goal is success not perfect performance.

    • Note: Some Bullmastiffs will show a “slow burn” — they’ll methodically search areas rather than darting. Celebrate that patience; it’s perfect for scentwork.

    Week 4 — Distance and duration

    Objective: Increase the area and require more sustained searching.

  • Set up 5–6 hides across a single room. Use a mix of visible and partially obscured locations.
  • Allow the dog more time to search. Break sessions into two shorter searches if they start to lose interest.
  • Introduce a recall between hides: reward and then ask the dog to return and search again to reinforce focus.

    • Tip: If mobility is a concern, place hides at sitting height or around a chair so your dog doesn’t need to strain.

    Week 5 — Distractions and elevation

    Objective: Keep focus with background activity and elevated hides.

  • Add mild distractions: a toy on the floor, a family member in another room, or light background noise like a radio.
  • Introduce elevated hides (on low tables or chairs). Many Bullmastiffs will need encouragement to look up — use a brief targeting cue to guide them.
  • Reward calm searching. If the dog becomes overexcited, pause and reset with a simpler hide.

    • Product note: I’ve found foldable scentwork boxes and low platforms from online speciality suppliers useful for consistent setups.

    Week 6 — Generalisation to new locations

    Objective: Apply skills in different rooms and outdoors.

  • Do short searches in a hallway, the garden, or the car. Varying locations teaches the dog that “Find it” applies everywhere.
  • Keep sessions predictable and supportive. In new spaces, return to easy hides first to build confidence.
  • Consider a short outdoor search on grass for fresh air and a change of scent environment. Keep expectations modest — wind affects scent dramatically.

    • During these weeks, I keep a short journal of each session: what hides I used, how the dog responded, and any changes in focus or confidence. It’s a small habit that helps me notice progress and tweak difficulty.

    Common questions I hear

    How often should I train? Twice daily for 5–10 minutes works well. Consistency beats long sessions.

    What if my dog loses interest? Make the rewards more valuable, shorten the session, or simplify hides. Sometimes a few days’ break and a return to basics helps.

    Can I use essential oils as a target scent? You can, but for senior or sensitive dogs I prefer food-based targets first. If you introduce an oil, use only a tiny amount on a cloth and ensure it’s a dog-safe product.

    Is scentwork suitable for anxious dogs? Yes — when introduced gently. Scentwork gives a structured, achievable task. Avoid overwhelming environments at first.

    If you’d like, I can share printable hide templates or a week-by-week checklist tailored to your dog’s mobility and confidence level. Many of the Bullmastiffs I’ve worked with transformed from apathetic to quietly purposeful after a few weeks of scentwork — and I hope your dog will too.