- openbook Competition Bulletin 2024-7: Clarification of the Age Requirement for Women’s Class (15+)TimeApril 29, 2024Clarification of the Age Requirement for Women’s Class (15+)
- openbook Competition Bulletin 2024-6: Final 2024 ATVMX Race Orders AvailableTimeFebruary 1, 2024The Final 2024 ATVMX Even and Odd Race Orders are now available to view online.
- openbook Competition Bulletin 2024-5: Tentative 2024 ATVMX Race Orders Available for Public CommentTimeJanuary 23, 2024Tentative 2024 ATVMX Race Orders Available for Public Comment
- openbook Competition Bulletin 2024-4: Daytona ATVSX Online Pre-Entry OnlyTimeJanuary 9, 2024Daytona ATVSX Online Pre-Entry Only
- openbook Competition Bulletin 2024-3: Final 2024 AMA Pro ATV Motocross Rules PostedTimeJanuary 3, 2024The 2024 AMA Pro ATV Motocross Rules are now final.
- openbook Competition Bulletin 2024-2: Final 2024 ATVMX Supplemental Rules and National Classes Now PostedTimeNovember 28, 2023Final 2024 ATVMX Supplemental Rules and National Classes Now Posted
- openbook Competition Bulletin 2024-1: Tentative 2024 Supplemental Rules and National Classes Available for Public CommentTimeNovember 17, 2023The Tentative 2024 ATVMX Supplemental Rules and National Classes are now available for inspection and public comment through…
- openbook Competition Bulletin 2023-10: ATVMX Virtual Riders Meetings Date and Times AnnouncedTimeSeptember 27, 2023ATVMX Virtual Riders Meetings Date and Times Announced
- openbook Competition Bulletin 2023-9: 2023 Top 10 Posted for Public ReviewTimeSeptember 12, 2023The Tentative Top 10 Series Class Results are now available for public review at the link below. The results will remain…
- openbook Competition Bulletin 2023-8: Pro-Am National Class Championship Drop AdjustmentTimeJuly 21, 2023Pro-Am National Class Championship Drop Adjustment
- openbook Competition Bulletin 2023-7: 2025 Class 2 Pro-Am *Production Rule Will ApplyTimeJuly 10, 20232025 Class 2 Pro-Am *Production Rule Will Apply
- openbook Competition Bulletin 2023-6: 2024 Class 2 Pro-Am *Production Rule Will ApplyTimeJune 21, 20232024 Class 2 Pro-Am *Production Rule Will Apply