Halloween 5K Running Race T-Shirt

Create a centered t-shirt design featuring a line-art style with a playful, hand-drawn aesthetic. Include doodles like haunted trails, pumpkin mile markers, ghost runners, and spooky water stations for a Halloween running race. Centered phrase: "Behind Every Great Day Is a Haunted 5K". The entire design must be optimized for a black background with light-colored linework and a transparent background.