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

Put 40 balls in 8 lines. Each line has 5 balls, about 1 yard apart. Lines can be 1–10 yards from the green and 5–30 yards from the hole.

Mark 9 stop zones on the green using buckets, string, or tees; label them 1 to

Hit 36 bump-and-run shots.

Split the 36 shots into 9 groups of 4 balls.

For each group, try to stop all 4 balls in one stop zone.

Hit 4 balls from one line to the first stop zone.

Move to a different line and hit 4 balls to the second stop zone.

Repeat until 4 balls have been hit to every stop zone.

Count each ball that stops in the right zone as a success.

Add up the total successes out of 36 and enter the score 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.

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.