By Ken K. GreenThe Lamar County Schools athletic facilities will be a hub of activities this weekend with four events on campus Friday and Saturday.The Lamar County track team will host the United Bank Friday Night Lights invitational meet at Trojan Field beginning at 4:30 Friday. Schools expected to compete in the event along with Lamar are Chattahoochee County, Fayette County, First Presbyterian Day, Jackson, Jefferson, Jones County, Mary Persons, Peach County, Pike County, Spalding and Tucker.The Lamar County baseball team will host Mary Persons at 5:55 Friday at Aldora Field. The Diamond Trojans are 3-2 after beating the Bulldogs in Forsyth Wednesday.The track team will host the Kiwanis Club of Barnesville Youth Olympics Saturday at Trojan Field beginning at 10 a.m. The fund raising event will include track and field events for kids ages 5-12. All proceeds will go to the track team.The junior varsity baseball team will host Upson-Lee Saturday afternoon at one o’clock.