R1/R1 Schedule is posted Posted on January 19, 2025 by challenge-admin R1/R2 event schedule has been posted to the Tucson 2025 event page. Friday https://www.challengekarting.com/…/2025/01/25MHCprac.pdf Sat/Sun https://www.challengekarting.com/…/01/MHC25SchedSatSun.pdf