Poston's qualifying mark of 2.12 meters (6-11.5) came at the Ohio Valley Conference Championships in Charleston, Illinois.
He will be part of a field of 48 competitors at the NCAA Division I West Regional beginning at 1 p.m. Poston is among the second flight of 24 jumpers. The top finishers at the Regional will move on to the national championship event held in Eugene, Oregon, June 9-12.
ESPN+ is planning coverage of the West Regional. Click here for more information.