In a wrist terminal 1, the measurement information acquiring unit 51 acquires position information. The first timing detection unit 52 detects a standby state for a sport. The second timing detection unit 53 detects predetermined start timing of the sport. If the first timing detection unit 52 detects the standby state, the recording control unit 54 makes the measurement information acquiring unit 51 start acquiring position information to continue acquiring position information sequentially at predetermined intervals. If the second timing detection unit 53 detects the predetermined start timing, the recording control unit 54 stores position information being part of the position information already acquired by the measurement information acquiring unit 51 and corresponding to the predetermined start timing into a ROM 16 or a removable medium 31.