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

Prepare 36 balls and make 4 piles of 9 balls each.

Put each pile in a different spot, 1 to 10 yards from the green and 5 to 30 yards from the hole.

Mark 4 areas on the green using string or tees, each area should be about 6 feet across.

Hit 36 bump-n-run shots, trying to land 9 balls in each area.

Start from one pile, aim at one area, and hit all 9 balls. Move to the next pile and area.

Keep going until all 36 shots are done, 9 shots per area.

Count how many balls stopped in the target area each time.

After all 36 shots, enter how many 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.

Put 40 balls in 8 lines of 5 balls each around the green. Lines should be about 1 yard/meter apart and placed 1 to 10 yards/meters from the green and 5 to 30 yards/meters from the hole.

On the green, mark two circle zones around the hole: one with a 6-foot (2 meter) radius and another with a 15-foot (5 meter) radius.

Hit 36 bump-and-run shots—first 18 shots aiming for the small inner circle, then 18 shots aiming for the bigger outer circle.

Use any line of balls. Hit shots for the inner circle for 18 attempts, then switch to hitting shots for the outer circle for another 18 attempts. Change lines as wanted.

Count each ball that stops in the circle aimed for as a success.

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

Scatter 40 balls into 8 piles of 5 balls each, between 1 and 10 yards from the green and 5 to 30 yards from the hole.

Mark 3 targets on the green, about 6 feet apart in a line.

Hit 36 bump-and-run shots.

Aim 12 shots at each of the 3 targets.

Hit 12 shots at the first target, then 12 at the second, then 12 at the third.

Count shots that stop inside 10 feet of the target as successful.

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

Set up 9 piles of 4 balls each (36 balls total) near the green. Put the piles on different grass areas between 1 and 10 yards/meters from the green and 5 to 30 yards/meters from the hole.

Use sticks, clubs, or string to mark 3 landing zones (6 feet or 2 meters apart) in a straight line at the edge of the green.

Hit 36 bump-and-run shots: 12 to each landing zone (Zone 1, Zone 2, Zone 3).

Hit from any pile and switch piles for variety. Hit 12 balls to Zone 1, then 12 to Zone 2, then 12 to Zone

Count each ball that lands and stays inside the target zone as a success.

After all 36 shots, enter total successful shots (out of 36 attempts) in the app.