In this situation I would move to the middle of the MUP and adjust my speed as necessary so that I did not pass both peds at the same time. After I were by them both, I would move to the right of the path to allow the cyclist behind me to pass on my left if they chose to pass. I would expect the cyclist behind me to match my speed until the situation were safe to execute a pass because this is how I would expect the situation to play out if I were the faster cyclist.