A volunteer dressed as a zombie waits for runners participating in the Joint Base Charleston Combined Federal Campaign Zombie Run Oct. 31, 2014, at JB Charleston, S.C. Forty volunteers and 250 runners participated in the 1.7 mile fund raising event. (U.S. Air Force photo/Staff Sgt. Renae Pittman)

It was a scary morning as Team Charleston personnel participated in the Joint Base Charleston Combined Federal Campaign Zombie Run Oct. 31, 2014, at JB Charleston, S.C. The 1.7 mile run forced runners to dodge zombies in three "contaminated" areas in order to "survive." (U.S. Air Force photo/Staff Sgt. Renae Pittman)

Tech. Sgt. Nolan Gibson, 437th Maintenance Squadron dock chief coordinator and “zombie,” looks for his next victim during the Joint Base Charleston Combined Federal Campaign Zombie Run Oct. 31, 2014, at JB Charleston, S.C. Gibson, along with 40 other volunteers, dressed up as zombies to participate in the charity event. (U.S. Air Force photo/Staff Sgt. Renae Pittman)

A team of volunteers dressed as zombies pose for a photo prior to the start of the Joint Base Charleston Combined Federal Campaign Zombie Run Oct. 31, 2014, at JB Charleston, S.C. Approximately 40 volunteers chased the runners in three "contaminated areas" on the 1.7 mile course, (U.S. Air Force photo/Staff Sgt. Renae Pittman)

Airmen dart past a zombie during the Joint Base Charleston Combined Federal Campaign Zombie Run Oct. 31, 2014, at JB Charleston, S.C. Each runner had to reach the finish line with at least one of their three flags intact to be considered a survivor. (U.S. Air Force photo/Staff Sgt. Renae Pittman)

U.S. Navy Capt. Timothy Sparks, Joint Base Charleston deputy commander, and Col. Jimmy Canlas, 437th Airlift Wing vice commander, welcome runners to the start of the JB Charleston Combined Federal Campaign Zombie Run Oct. 31, 2014, at JB Charleston, S.C. The 1.7 mile run, a Combined Federal Campaign fund raiser, forced runners to dodge zombies in three "contaminated" areas in order to "survive." (U.S. Air Force photo/Staff Sgt. Renae Pittman)

A runner tries to escape the clutches of a zombie during the Joint Base Charleston Combined Federal Campaign Zombie Run Oct. 31, 2014 at JB Charleston, S.C. The 1.7 mile run forced runners to dodge zombies in three "contaminated" areas in order to "survive." (U.S. Air Force photo/Staff Sgt. Renae Pittman)

A zombie tries to grab a runner’s flag during the Joint Base Charleston Combined Federal Campaign Zombie Run Oct. 31, 2014, at JB Charleston, S.C. The 1.7 mile run forced runners to dodge zombies in three "contaminated" areas in order to "survive." (U.S. Air Force photo/Staff Sgt. Renae Pittman)

Runners try to avoid a zombie during the Joint Base Charleston Combined Federal Campaign Zombie Run Oct. 31, 2014, at JB Charleston, S.C. The 1.7 mile run forced runners to dodge zombies in three "contaminated" areas in order to "survive." (U.S. Air Force photo/Staff Sgt. Renae Pittman)

Members of Joint Base Charleston run in the Combined Federal Campaign Zombie Run fundraiser Oct. 31, 2014, at JB Charleston, S.C. The 1.7 mile run forced runners to dodge zombies in three "contaminated" areas in order to "survive." (U.S. Air Force photo/Staff Sgt. Renae Pittman)

Runners prepare to meet the zombies during the Joint Base Charleston Combined Federal Campaign Zombie Run Oct. 31, 2014, at JB Charleston, S.C. The 1.7 mile run forced runners to dodge zombies in three "contaminated" areas in order to "survive." (U.S. Air Force photo/Staff Sgt. Renae Pittman)