Fifth-ranked Mason will face honorable mention Dexter at 7 p.m. today in a Division 2 regional final at Vicksburg, which is located south of Kalamazoo.
Three other mid-Michigan area teams are also still alive for regional titles.
Division 3 honorable mention Williamston hosts 10th-ranked Frankenmuth at 7 p.m. on Friday, Division 2 No. 4 East Lansing faces unranked Petoskey at 3 p.m. on Saturday in Fenton, and Division 4 No. 1 Lansing Christian meets unranked Hamtramck Frontier at 4 p.m. Saturday at Dearborn Edsel Ford.