Pace of three chapters a day. One chapter per davening. At that pace one can finish Shas Mishna in 6 months. I’ve put together a calendar below (in jpg, xlsx and pdf formats). Calendar “a” runs from 1 Sivan until end of Chesvan. Calendar “b” runs from 1 Kislev until end of Iyar (for normal years).
Mishna schedule (editable xlsx format)
Mishna schedule “a” (pdf)
Mishna schedule “b” (pdf)