Look carefully at your INSERT statement. You have an extra blank at the beginning of a couple of 'location' values:
INSERT INTO `vk_cal` VALUES (..., 'Vale Karate Beddau', '9:00am');
INSERT INTO `vk_cal` VALUES (..., ' Vale Karate Beddau', '00:00am');
INSERT INTO `vk_cal` VALUES (..., 'Vale Karate Beddau', '18:00');
INSERT INTO `vk_cal` VALUES (..., 'Vale Karate Cyncoed', '9:00am');
INSERT INTO `vk_cal` VALUES (..., ' Vale Karate Cyncoed', '00:00am');
INSERT INTO `vk_cal` VALUES (..., 'Cardiff ', '00:00am');