- The Ohio Challenge Series (OCS) runs from January 1, 2024 – December 31, 2024. Go to https://ohiochallengeseries.enmotive.com for list of events that count towards series points
- Participants must opt-in to the OCS. Cost to join: $35.00
- Participating events in the OCS require additional registration and payment
- Deadline for joining the OCS is August 31, 2024
- Note: Events participated in prior to joining the OCS do not count and are not tabulated
- Age is based on birthdate as of the first race (birthdate will be different for each category). This determines your Age Group for the year.