Imagine a futuristic sports arena where athletes compete in gravity-defying races using high-tech hoverboards, surrounded by a sprawling metropolis that merges ancient architecture with cutting-edge technology. Create an image that captures the thrilling blend of sports, technics, and worlds in this dynamic and vibrant setting.

Picture a futuristic sports arena bustling with activity. Athletes, both female and male of various descents such as Hispanic, Black, and Middle-Eastern, compete in gravity-defying races using state-of-the-art hoverboards. In the backdrop is a sprawling metropolis where the old merges seamlessly with the new, combining ancient architectural aesthetics with the sharp edges of cutting-edge technology. The pulse of the city is palpable, its energy intertwining with the electric thrill of the sports event. Create an image that captures this dynamic and vibrant amalgamation of sports, techniques, and vast cityscapes.