A 37-year-old Gloucester man was sentenced to 20 years in prison Tuesday for the December 2010 armed robbery of the 7-Eleven store on Route 17 just outside of Gloucester Court House.

Gloucester Circuit Court Judge R. Bruce Long sentenced William Johnathan Christner to 25 years for the armed robbery, with 10 years suspended. Christner also received five years for firearm related charges. He pleaded guilty to the three charges in June.

Christner entered the convenience store around 5:30 p.m. on Dec. 22 and pulled out a gun while demanding the clerk open the cash register. Christner threatened to shoot the clerk if he pressed an alarm button, according to Gloucester Commonwealth’s Attorney Robert D. Hicks.

After receiving about $115 in cash, Christner tried to escape via bicycle through the Riverside Walter Reed Hospital campus. Gloucester Sheriff’s Office Lt. Steve Enoch encountered and pursued Christner, who wrecked the bike and fled on foot before coming up against ...