ARLINGTON — Brendan Conn hit a 42-yard field goal with 5:37 left in the game to propel the Arlington Colts to a 24-21 win over Arlington Bowie on Friday night at Wilemon Field.The Colts (5-4, 4-2 District 3-5A), who clinched a playoff spot with the win, held the Volunteers (7-2, 5-1) scoreless in the second half after trailing 21-7 late in the second quarter. Quarterback Michael Gray sparked Arlington with a 36-yard run on the first offensive play of the second half. Six plays later, Gray scored from two yards out to tie the game at 21-21 with 9:58 left in the third quarter. Earlier in the game, Gray hit Mason Shaw for a 5-yard touchdown pass with 16 second left in the half. That capped a 75-yard drive for the Colts in which Gray was 4-for-6 passing. The senior finished 13-of-38 passing for 168 yards. Gray also led the Colts in rushing with 92 yards on 19 carries, including a 32-yard touchdown run to put Arlington on the scoreboard in the first quarter.It was a dismal second half for the Bowie offense, which by the middle of the fourth quarter was without its top two quarterbacks, Tony James and Keaton Perry, who both left the game with injuries. James left the game after being hit hard in the second quarter, a play that resulted in a fumble and turnover on the Arlington 10-yard line. James remained without his helmet on the sideline the rest of the game. Perry, who finished 11-of-21 passing for 141 yards and a touchdown, left the game in the fourth quarter, giving way to sophomore Anthony Hawkins at quarterback. Perry rushed for a 1-yard score for Bowie’s first touchdown.Hawkins had a 36-yard run in the fourth quarter to spark the Volunteers. But after getting to the Arlington 17-yard line, a bad snap went over Hawkins’ head, resulting in a 23-yard loss. Trent Shumate led Bowie with 150 yards on 14 carries. It was Arlington’s first victory over Bowie since 2009.