Create an image of a mystical forest where athletes are competing in a marathon race through a series of optical illusion obstacles such as floating staircases, swirling vortexes, and shimmering mirages.

Generate an image of a magical forest, the scene of a marathon race. Among the competitors are a Middle-Eastern male athlete, a South Asian female athlete, and a Caucasian male athlete. They’re negotiating optical illusion obstacles throughout the race course. This includes defying gravity on floating staircases, defeating dizzying swirling vortexes, and confronting shimmering, misleading mirages. The captivating environment also includes towering ancient trees, the ever-changing hues of the sky, and the mysterious melody of the wind rustling through the leaves.