I have two coworkers that bring attention to me nearly every time I leave work. We are all relatively junior employees on a single team in a workplace that allows flexible schedules. Employees must be present for core hours, which are 9am-3pm, and must reach 40 hours per week. I am typically one of the first at the office before 7am as I like to leave earlier (4-5pm, I like to have “a day” after work). The two coworkers tend to arrive between 8 and 10am but have been known to stay exceptionally late (7-9pm) as well as frequently work weekends, as we have voluntary paid overtime. My manager arrives and leaves later as well (9-10am to 6-7pm).
I am not in a financial position where I need to burn myself out with voluntary overtime, nor are my tasks backed up to make it a necessity. The two coworkers, however, frequently work 50-60 hours a week. I do not particularly care what opinions my fellow junior coworkers hold against my schedule, but I am concerned with how my manager views me. When I leave for the day, the two generally fire off a couple quick, loud comments (“Chris is done for the day!”, “Chris has left the building!”, “Chris is going home to have fun!”); this behavior is uniquely directed towards me, as I haven’t heard them do this when others leave.
My fear is that their actions may cause my manager to view me as a less dedicated individual which is exacerbated by our difference in schedules (I arrive/leave 2 hours before my manager, on average). I have never received any complaints on quality or punctuality of my work, nor has my manager approached me with concern regarding my schedule.
Is this a situation that I am overthinking? Should I politely ask my coworkers to stop, or should I raise these concerns with my manager?
EDIT My question is very similar to How can I stop being badgered for "leaving early" without hurting my co-worker relationships?
However, I am more focused on what implications this will have with my manager. While it would be nice for the heckling to cease, my priority is to ensure my manager's perception of me is not affected; and, if it is, what is the best course of action moving forward. The answers thus far have been very helpful for this purpose.