Please take a look at this support article https://support.rachio.com/hc/en-us/articles/115010379767-What-is-Smart-Cycle- for reference. Zone 6 is Fixed Spray Head (1.5 in/hr), Slight Slope, Loam Soil Type. According to the reference table, max recommended runtime for that zone is 13 minutes. Total runtime in schedule is 35 minutes. So it requires 3 cycles in order to not go over 13 minutes per cycle.
