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Bend running on an indoor track is influenced by differing structural constraints including banking and radii of the curve. Regardless of these constraints, an athlete must preserve whole-body postural control to maintain their running speed. The purpose of this study was to investigate the extent to which banking (banked v flat) and radii (lane 2 v lane 4) of a 200m indoor track influences whole centre of mass (CoM) during sprint running. When running in both lane 2 and lane 4, athletes’ CoM was closer to their inside foot when the track was banked compared to flat (p < 0.05, 0-100% of stance). In conjunction with increased CoM anterior velocity identified for the banked condition (p < 0.05, 0-100% of stance), the findings highlighted banking of the curve to be the preferable structural constraints for whole-body postural control, compared to a flat track.