Create an image of a futuristic sports competition held inside a massive, transparent dome suspended over a bustling city, where athletes compete in a high-speed, zero-gravity race using advanced hoverboards powered by cutting-edge renewable energy technology.

Create an image of a futuristic sports competition set inside a gigantic, transparent dome levitated above a dynamic metropolitan city. The athletes participate in a fast-paced, zero-gravity race using advanced hoverboards that are powered by state-of-the-art, renewable energy technologies. Competitors include men and women from diverse races, such as Caucasian, Hispanic, Black, Middle-Eastern, and South Asian. The crowd of spectators below and the intricate cityscape hollow provide captivating visual contrast and scale for the space-age sports spectacle.