The invention relates to a method and system in connection with a wristop computer (20). In the method, the wristop computer (20) is used to determine at least one of the following data in a game of golf: position, time, height, distance travelled, or club used. According to the invention, the club striking the ball is determined with the aid of a measurement and at least one datum of the game of golf is recorded, in such a way that the recording is triggered from the measurement of the club (3) striking the ball (4).