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

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 (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.

Set up 10 piles of balls in 2 lines, each line 3 yards/meters apart. Piles are 4 yards/meters apart in each line.

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

On the green, make 3 landing zones with sticks or clubs, each zone 6 feet (2 meters) apart in a line.

Do 36 bump-and-run shots, aiming for each landing zone 12 times.

Hit 12 shots at the first zone, then 12 at the second, then 12 at the third. Switch piles as needed.

Count each shot that lands and stays in the correct zone as a success.

Add up successes and enter 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.

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.

Get 36 balls. Split them into 3 piles of 12 balls.

Make 3 zones on the green with sticks or string. Each zone is 6 feet apart in a line.

On the grass, put each pile of balls at random spots 1 to 10 yards from the green and 5 to 30 yards from the hole. Each pile matches a zone.

Hit 12 shots from the first pile, try to land in the first zone.

Hit 12 shots from the second pile, try to land in the second zone.

Hit 12 shots from the last pile, try to land in the third zone.

Count how many balls land and stop in each zone.

Add up your total and enter your score in the app, out of 36 attempts.