Systems and methods for marking an event of interest within a spherical video segment are provided. The spherical video segment may define visual content viewable from a point of view. User input may designate an event of interest within the visual content. The user input may indicate a moment in time in the spherical video segment and a viewing angle of the event of interest. Tag information associated with the event of interest may be generated. The tag information may identify the moment in time and the viewing angle such that a subsequent presentation of the spherical video segment, proximate to the moment in time, includes an alert notification that the event of interest is outside a display field of view based on the viewing angle being outside the display field of view.