Round 4 of the 2026 AMA Texas State Championship Series (South region) runs September 20 at Murphys MX in Red Rock, Texas. The Texas State Championship reaches its 16th year in 2026 and its first as an AMA Featured Series, awarding points on a per moto basis toward the Texas #1 plate. Saturday practice runs 8 AM to noon, then racing fills the weekend across classes from 50cc micro up to 450cc Pro, plus 65cc, 85cc, Supermini, Schoolboy, Women's, College and the full Vet 25+ through 50+ lineup. Murphys MX takes the South round to the Hill Country. This is a one day Sunday program. Points stay within the South region, so riders chase the title round by round.