Santiago Medina Arenas started his professional motorsport career in 2022. In his first official race, he was named Best Rookie, earned a pole position, and finished second in a Pan-American championship. In 2023 he placed 9th out of 58 international drivers at the prestigious SKUSA championship in the USA.

Between 2023 and 2024 he achieved 12 podiums across multiple countries. In February 2025 he moved up to the Senior category and won his first race. He currently sits in the top 3 of the Madrid Championship standings, fighting for the title. His trajectory points in one direction: Formula 1.