The Ohio Northern volleyball team is set to open its 2018 campaign with the 40th Annual ONU Invitational on Aug. 31-Sept. 1 at the ONU Sports Center under 28th-year head coach Kate Witte.

The Polar Bears will also play in-season tournaments at Bluffton, Wittenberg and Calvin (Mich.) 

The schedule also features non-conference home contests with Denison and Bluffton and a road match at Kenyon.

Northern will begin the quest for its third consecutive Ohio Athletic Conference Regular Season title with a match at John Carroll on Sept. 25.

ONU has home OAC contests with Marietta, Wilmington, Heidelberg and Capital.

The Polar Bears will also travel to OAC-foes Baldwin Wallace, Muskingum, Otterbein and Mount Union.

The OAC Tournament is slated for Oct. 30-Nov. 3.

Northern posted a 29-6 overall record, shared the OAC Regular Season crown with an 8-1 mark and advanced to the Sweet 16 of the NCAA III Tournament in 2017.