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

Put 36 golf balls into 2 piles of 18 balls each. One pile goes next to the edge of the green, and the other pile goes 5 yards/meters from the edge.

Mark 3 target zones on the green in a line. Each zone is about 4 feet wide, and the zones are 4 feet apart.

Hit 36 bump-and-run shots total. Aim 12 shots for each target zone, one zone at a time.

Start with the pile closest to the green. Hit 12 shots at Zone 1, then 6 shots at Zone

Go to the pile 5 yards/meters away. Hit 6 more shots at Zone 2, then 12 shots at Zone

Count each ball that lands and stops inside the correct zone as a success.

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

Get 36 golf balls and split into 2 groups of 18 balls each.

Put one group of 18 balls on the uphill slope, close to the green.

Put the second group of 18 balls on the downhill slope, about 5 yards from the green.

On the green, set up 3 target zones in a line, about 6 feet apart.

From the uphill pile, hit 6 shots at each target zone (first at Zone 1, then Zone 2, then Zone 3).

From the downhill pile, hit 6 shots at each zone in the same order.

Ball counts as a success if it stays in the chosen target zone.

Count how many shots landed in the target zones out of 36, and enter the score in the app.

Set up two lines of balls next to the green on a slope. Each line has 18 balls, 5 yards apart, between 5 and 30 yards from the hole.

One line has balls above foot level, the other line has balls below foot level.

There are two groups: 18 shots from balls above feet, and 18 shots from balls below feet.

For each group, hit every third ball in the line until you hit all

Aim each shot to land and stop in a target zone on the green, 5 to 10 yards from the hole.

First, hit all 18 balls from above feet, then all 18 from below feet.

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

Add all successful shots out of 36 and enter your score in the app, out of 36 attempts.

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.

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.