Thread the needle: roll your Bump'n'Run to tap-in range

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.

Divide 36 golf balls into 3 groups of 12 balls. Put each group in the rough near the green.

On the green, mark 3 target zones about 15 feet from the rough.

Hit bump-and-run shots, aiming for each of the 3 zones in order. Hit 12 shots at zone 1, 12 at zone 2, and 12 at zone

Each ball that lands and stops inside its target zone counts as a success.

Keep your stance and ball position the same for every shot.

After all 36 shots, count how many landed in the correct zones and enter the total score out of 36 in the app.

Set up 10 piles of 4 balls each (40 balls) in two lines next to the green. Keep piles about 2 yards apart and lines 5 to 10 yards apart.

Place three flags on the green for landing zones.

Hit 36 bump-and-run shots, 12 for each target flag.

Hit shots from the first line, aiming for the first target. Alternate piles.

After 12 shots, switch to the second target and use the second line for the next 12 shots.

Hit the last 12 shots at the third target (use any line or alternate piles). After all shots are done, count balls within 10 feet of the target as successful and enter your number of successes out of 36 in the app.