Prompt

sexy, slim model, fit athletic build, medium rounded breasts, small narrow waist, toned body, visible abs, beautiful face , at athletics track, skimpy running outfit, running fast, jumping hurdles

Negative prompt

underage, fat, busty, wide jaw, ugly face:1.8, poor quality, bad quality, deformed body, man face, calm, futa, ugly face, extra limbs, deformed limbs, thick thighs, thick waist, ugly, tan lines, unnatural eyes, numbers, bad anatomy