The present study intended to develop the ethnosport social psychology, oriented on indigenous corporality and traditional sport and games of them, with log race detailed research of the Timbira people (macro J language) in Eastern Amazon. It was hypothesized that log race is an ethnosport that can be consider under the Amazonian perspectivism, while the body making of Timbira people is made by this practice involves the common participation of all members of the community. Such practices are adopted the concepts of: a) ethnosport as conceived by Kylasov b) the modern experience of traditional sports and games events of Siberians who have much in common with Brazilian, especially on the Timbira log race c) the Amazon-Amerindian perspectivism and/or the multinaturalism versus multiculturalism originated in the concept of Viveiros-de-Castro, as well his d) Anti-Narcissistic critics, founding echo in post-Jungian and Deleuze-Guattaris postulates. A study to establish the social psychology of ethnosport was conducted with an appeal to a qualitative method, observation included during many visits in the last five years, 20152019, in Timbira communities around the Indigenous Land of Timbira in Maranho State. As example of included observation was analysis, it was discussed the form of log racing as remarking of the collective suffering, inside the cycle of mourning rituals of Timbiras communities. This study inheres leaded us to conclude that we are witnessing the increasing, emerging and urgency of an new ethnosport imaginaries, with all its pedagogical potency, or tendency, to an alternative way facing ethnocentric and Euro-colonized Anglo-Saxon sport and its body and human concepts. This itself is enough to challenge myself to find theoretical-methodological tools in a psychosocial-interdisciplinary approach to contribute to the increasing phenomenon of world ethnosport studies, in order to promote it and sustainable development.