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.

Place two straight lines of 18 golf balls each on flat ground near the green.

Space the lines 5 yards apart and put them 5 to 30 yards from the hole.

Hit 36 bump-and-run shots.

In the first line, hit every third ball, skipping the two in between.

At the end of the first line, switch to the second line and do the same. Alternate lines until all 36 shots are hit.

Place three target zones on the green in a line.

For the first 12 shots, aim for the closest target zone.

For the next 12 shots, aim for the middle zone.

For the last 12 shots, aim for the farthest zone.

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

After 36 shots, total your number of successful shots out of 36 and enter your score in the app.

Set up 10 piles of balls in two lines. The lines are 3 yards/meters apart. Each pile in a line is 4 yards/meters apart.

Place the piles on grass 1 to 10 yards/meters from the green and 5 to 30 yards/meters from the hole.

Make 9 stop zones on the green with buckets, string, or tees. Number the zones 1 to

Divide 36 tries into 9 groups of 4 shots. Each group tries for a different stop zone.

For each set of 4 shots, choose any pile and hit shots to the chosen stop zone.

After 4 shots at one zone, go to the next stop zone and do the same. Do this for all 9 zones.

Count every shot that stops in the right zone as a success.

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

Place two parallel lines of balls beside the green. Each line has 18 balls spaced 1 foot apart. The lines are 5 to 10 yards apart.

On the green, mark 9 stop zones using tees, string, or buckets. Arrange the zones in 3 rows of 3, spaced evenly.

Hit 36 bump-n-run shots. Divide them into 9 groups of 4 shots.

Hit 4 shots from one ball line toward Stop Zone

Try to stop each ball in that zone.

Switch to the other ball line and hit 4 shots toward Stop Zone

Keep switching ball lines and hit 4 shots at each stop zone in order (Zone 1 to Zone 9).

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

Add total successful stops and enter the score in the app, out of 36 attempts.