A new and unique cultivar of hybrid creeping phlox named Phlox ‘;Magenta Sprite’; multi-stemmed, short, upright, slowly-spreading habit with clean, green, glossy, lanceolate to linear leaves with exceptional powdery mildew resistance. Flowers are magenta pink with dark purple markings at center, nearly covering the top of the plant in peak flowering season about one week later than typical Phlox subulata. ‘;Magenta Sprite’; is especially useful as a containerized plant and for the flower garden as an specimen or en masse.