39 schools are scheduled to attend the Mars High Annual Track and Field Invitational Friday.
The coaches meeting is scheduled to start at 12:15, with the field events and prelims for the first track event, the 100 meters, scheduled to start at 1 p.m.
Among the teams scheduled to attend are Fox Chapel, Gateway, Hampton, Morgantown, North Hills, Pine-Richland, Seneca Valley, Vincentian Academy and Woodland Hills.
At last season’s Mars Invitational, Seneca Valley and Gateway tied for the top spot in the boys standings with 79 points. Morgantown won the girls competition with 52.5 points.