Thread the gap: precision Bump'n'Runs to a tight pin

Put two rows of 18 balls each on grass near the green. Keep the rows 5 yards apart.

Put both rows about 10 yards from the hole.

Make three target zones on the green: Left, Center, and Right. Each is about 4 feet wide.

There will be 36 bump-and-run shots: 12 for each zone.

From the first row, hit every third ball to the Left zone (12 shots).

From the second row, hit every third ball to the Center zone (12 shots).

Go back to the first row. Hit every third ball to the Right zone (12 shots).

Count the shots that stop inside the target zone.

Add successes and enter score in the app, out of 36 attempts.

Make two lines of 18 balls each, one foot apart, next to the green, in an L-shape.

Put 3 markers at the edge of the green, 6 feet apart, to make 3 landing zones in a row.

Hit 36 bump-and-run shots: 12 shots at each landing zone.

Switch between ball lines. For each zone, hit 3 shots from one line, then 3 shots from the other, until all 12 shots per zone are done.

Each time a ball stops in the right zone, count it as a successful shot.

After all 36 shots, add up your successful shots and enter your score in the app out of 36 attempts.

Put 36 golf balls into 3 groups of 12 balls. Spread the groups around the green between 1 and 10 yards from the edge and 5 to 30 yards from the hole.

Mark 3 landing zones in a straight line at the edge of the green, each 6 feet (2 meters) apart.

Hit 36 bump-and-run shots: 12 to zone 1, 12 to zone 2, 12 to zone

Use the first set of 12 balls for zone 1, the second set for zone 2, and the last set for zone

Keep ball positions and distances the same for the whole test.

Count each ball that stops inside the target zone as a success.

Add your total successful shots and enter your score in the app out of 36 attempts.

Prepare 36 balls and make 4 piles of 9 balls each.

Put each pile in a different spot, 1 to 10 yards from the green and 5 to 30 yards from the hole.

Mark 4 areas on the green using string or tees, each area should be about 6 feet across.

Hit 36 bump-n-run shots, trying to land 9 balls in each area.

Start from one pile, aim at one area, and hit all 9 balls. Move to the next pile and area.

Keep going until all 36 shots are done, 9 shots per area.

Count how many balls stopped in the target area each time.

After all 36 shots, enter how many successes out of 36 in the app.

Set up 9 piles of 4 balls each, spread between 1 and 10 yards from the green and 5 to 30 yards from the hole.

Mark 9 stop zones on the green using tees, string, or small buckets.

Do 36 bump-and-run shots, 4 shots at each of the 9 stop zones.

From any pile, hit 4 shots to the first stop zone.

Do the same for the other stop zones, always 4 shots per zone, using the original ball setup.

Count shots that stop inside the right stop zone.

Add up how many shots were successful, and enter this number out of 36 attempts.

Put 40 balls into 8 lines with 5 balls in each line. Lines should be on grass, 1 to 10 yards/meters from the green and 5 to 30 yards/meters from the hole. Balls in each line should be about 1 yard/meter apart.

Make 3 landing zones on the edge of the green. Use sticks or string to mark each zone. Zones should be in a straight line and 6 feet (2 meters) apart.

Hit 36 bump-and-run shots using the balls. Split these into 3 groups of 12 shots.

For the first 12 shots, aim at the first landing zone. Use any of the 8 lines, hitting all 5 balls in a line, then go to another line until 12 shots are done.

For the next 12 shots, aim at the second landing zone. Hit full lines of 5 balls until you have 12 shots.

For the last 12 shots, aim at the third landing zone. Hit full lines of 5 balls until 12 shots are done. Count each ball that lands and stays in the chosen landing zone as a success, and add up total successful shots out of 36 attempts in the app.