Feel the green—leave every Bump'n'Run inside the safe zone

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 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.

Put 36 balls into 9 groups of 4 balls each around the green, spaced 1–10 yards from the edge and 5–30 yards from the hole.

Use string, tees, or markers to make 9 stop zones on the green, spread out as different landing spots.

Hit 4 bump-and-run shots at each stop zone, for a total of 36 shots.

Start at any group, aim at the first stop zone, hit 4 shots, then move to the next zone; repeat until all zones have been used.

Count each ball that stops inside the target zone as a success.

Add up the number of successful shots out of 36 and enter the score in the app.