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

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.

Set up 4 rows of 9 balls each, spaced 1 foot apart. Each row is 3 yards apart.

On the green, use strings or tees to mark 4 circles, each 6 feet wide.

Hit 9 balls at each circle, for a total of 36 shots.

Start at any row. Hit 9 balls at the first circle, then the next 9 at the second, and so on for all circles.

Keep the balls in the same place and aim at the target circle each time.

Count how many balls stop inside each circle after 9 shots.

Add up the number of balls that stopped inside the target circles out of 36, and enter score in the app, out of 36 attempts.

Place two lines of 18 balls each next to the green, 1 foot apart. Lines are at right angles, 5 to 10 yards apart.

Mark 9 stop zones on the green using buckets, tees, or string. Make 3 groups with 3 zones each, spaced evenly.

Hit 36 bump-and-run shots: 12 at each group of 3 zones (4 shots per zone).

From the first line, hit 12 shots at the first group of 3 zones (4 shots per zone).

Move to the second line, hit 12 shots at the second group of 3 zones (4 shots per zone).

Go back to the first line and hit 12 shots at the third group of 3 zones (4 shots per zone). Enter score in the app, out of 36 attempts.

Count each success where the ball stops in the target zone. Add all successes for your score.