2024
• Marchbanks spent the start of the season with another team competing in both the 250 West championship before moving up to the 450MX class. He transitioned to the Monster Energy Pro Circuit Kawasaki team before the final three rounds and enjoyed getting to know his new team before the 2025 season. In his time with the team, he earned fourth at the Unadilla MX race and finished in the top-10 at two of the SMX Playoff rounds.

2023
• Marchbanks sat out the 2023 Supercross season with injury but returned to racing in the 450 class in the Pro Motocross series. After a tough start, Marchbanks was a consistent figure in the top-10, never finishing worse than eighth at the final nine rounds, His best was a fifth at Southwick. In the 450SMX class, Marchbanks claimed a ninth in the opening SuperMotocross Playoff round and wrapped the season with a sixth at the finale in Los Angeles.

2022
• The 2022 season was Marchbanks' first foray into 450 racing. He competed in the 250SX West class where he finished eighth overall before jumping up to the 450 class in the Pro Motocross Championship. He earned a top finish of the season in ninth at High Point before finishing 12th overall.

Career Wins
•1 250SX win