The Audio/Visual Mapping Personality Challenge and Work-shop (MAPTRAITS) is a competition event aimed at the comparison of signal processing and machine learning meth-ods for automatic visual, vocal and/or audio-visual analysis of personality traits and social dimensions, namely, extro-version, agreeableness, conscientiousness, neuroticism, open-ness, engagement, facial attractiveness, vocal attractiveness, and likability. The MAPTRAITS Challenge aims to bring forth existing efforts and major accomplishments in mod-elling and analysis of personality and social dimensions in both quantised and continuous time and space. This pa-per provides the details of the two Sub-Challenges, their conditions, datasets, labels and baseline features that made available to the researchers who are interested in taking part in this challenge and workshop.