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 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.

Set up 10 piles of balls with 4 balls in each pile, in two lines 5 to 10 yards apart, and each pile 2 yards apart in its line.

Place 9 stop zones on the green using markers. Space them so each is easy to aim at.

Divide 36 shots into 9 groups of 4 shots.

Hit 4 shots at each stop zone. Hit from any pile, but keep ball setup the same.

After 4 shots to one zone, move to the next zone. Keep going until all 9 zones are done.

Count how many shots stop inside the target zone for each group.

Add up total successful shots. Enter score in the app, out of 36 attempts.