2025 Rotax MAX Challenge Euro Trophy Calendar is unveiled 2025 Rotax MAX Challenge Euro Trophy Calendar is unveiled Bas Kaligis / Wednesday, October 16, 2024 0 481 Article rating: 1.8 Following the success of the first season, WSK Promotion and BRP-Rotax are pleased to announce the 2025 Rotax MAX Challenge Euro Trophy and Rotax MAX Winter Series calendars (pending confirmation by ASN). The upcoming season will feature a completely revamped calendar, offering new challenges and exciting venues. Read more