Cook the macaroni according to the box directions.
Rinse the cooked noodles under cold water and pat them dry with a paper towel.
Place the noodles into a large bowl, cover them with plastic wrap, and refrigerate them for 1-2 hours.
Chop the bell peppers, and hard-boiled eggs and set them aside.
In a separate dish, mix the Miracle Whip, sugar, vinegar, mustard, and black pepper. Set aside about 4-5 tablespoons of the dressing mixture to use later.
Remove the noodles from the refrigerator and gently fold in the bell peppers and hard-boiled eggs.
Add the dressing, saving the reserve 4-5 tablespoons for later.
Place both the macaroni salad and the reserved dressing in the refrigerator covered with plastic wrap.
When ready to serve the macaroni salad, stir in the 4-5 tablespoons of reserve dressing.