T-shirt graphic for a colour run event. on a white

At the centre of the T-shirt, there's a bold and vibrant depiction of a runner mid-stride, with a joyful expression on their face. Behind the runner, a dynamic explosion of multicolored splashes spreads outwards, symbolizing the excitement and energy of the Colour Run event. The background of the T-shirt fades from white at the top to a soft gradient of pastel hues at the bottom, creating a sense of movement and transition. Along the bottom edge, the event's logo is subtly incorporated, featuring the event name in playful, stylized typography. Additional elements like confetti, paintbrush strokes, or abstract shapes can be scattered around the design, adding to the festive atmosphere. The overall composition should feel dynamic, lively, and full of joy, capturing the essence of the Colour Run experience.