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

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.

Set up 9 piles of 4 balls each (36 balls total) near the green. Put the piles on different grass areas between 1 and 10 yards/meters from the green and 5 to 30 yards/meters from the hole.

Use sticks, clubs, or string to mark 3 landing zones (6 feet or 2 meters apart) in a straight line at the edge of the green.

Hit 36 bump-and-run shots: 12 to each landing zone (Zone 1, Zone 2, Zone 3).

Hit from any pile and switch piles for variety. Hit 12 balls to Zone 1, then 12 to Zone 2, then 12 to Zone

Count each ball that lands and stays inside the target zone as a success.

After all 36 shots, enter total successful shots (out of 36 attempts) in the app.

Put 36 balls in 2 lines near the green. Each line has 18 balls about 1 foot apart.

Place the 2 lines so they cross each other like a plus sign, 5 to 10 yards apart.

Put 3 targets about 6 feet apart on the green.

Hit 12 shots at each target, for a total of 36 shots.

Start with one line and hit 12 shots trying to stop the ball within 10 feet of the first target.

Use the other line and hit 12 shots at the second target, same goal.

Hit 12 shots at the third target from either line, trying to keep within 10 feet.

Count each shot that stops within 10 feet of the target.

After 36 shots, write down your number of successful shots out of 36 attempts in the app.

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.

Arrange 40 balls into 10 piles of 4 balls each. Place the piles in two parallel lines, 5 to 10 yards apart, with each pile in a line about 2 yards apart.

On the green, mark two target zones: an inner circle with a 6-foot radius and an outer circle with a 15-foot radius.

Hit 36 shots: 18 to the inner circle, 18 to the outer circle.

Hit shots from any pile, switch between piles and lines.

Count a shot as a success if it stops in the target zone.

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

Make 10 piles of balls in two lines, 5 piles in each line. The lines are 3 yards or meters apart, and each pile in a line has 4 yards or meters between them.

Put the piles between 1 and 10 yards/meters from the green and between 5 and 30 yards/meters from the hole.

On the green, mark 4 equal quadrants using string or tees. Each quadrant is about 6 feet or 2 meters in radius.

Do 36 bump-and-run shots in total. Divide them into 4 groups of 9 shots. For each group, aim for a single quadrant (Quadrant 1, then 2, 3, 4).

Start at any pile. Hit 9 balls trying to land in Quadrant

Then do the same for Quadrants 2, 3, and 4, hitting 9 shots for each quadrant.

Count each shot that lands in the correct quadrant as a point.

Add your total points out of 36 tries and enter the score in the app.