Bloody zombies move toward the runners at the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. More than 500 people attempted to outrun zombies and maneuver through various obstacles along the four-mile course. (U.S. Air Force photo/Samuel King Jr.)

More than 500 people turned out to outrun zombies and maneuver through various obstacles at the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. (U.S. Air Force photo/Samuel King Jr.)

An Eglin firefighter gets doused in fake blood prior to the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. More than 500 people attempted to outrun zombies and maneuver through various obstacles along the four-mile course. (U.S. Air Force photo/Samuel King Jr.)

Zombies attack a runner midway through the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. More than 500 people attempted to outrun zombies and maneuver through various obstacles along the four-mile course. (U.S. Air Force photo/Samuel King Jr.)

A zombie dines on the brain of some unlucky runner during the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. More than 500 people attempted to outrun zombies and maneuver through various obstacles along the four-mile course. (U.S. Air Force photo/Samuel King Jr.)

More than 500 people turned out to outrun zombies and maneuver through various obstacles at the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. (U.S. Air Force photo/Samuel King Jr.)

A zombie bride waits for the next group of runners during the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. More than 500 people attempted to outrun zombies and maneuver through various obstacles along the four-mile course. (U.S. Air Force photo/Samuel King Jr.)

One of the first of many runners tries to escape a zombie attack at the beginning of the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. More than 500 people attempted to outrun zombies and maneuver through various obstacles along the four-mile course. (U.S. Air Force photo/Samuel King Jr.)

The zombie nurses were definitely not there to help the injured at the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. More than 500 people attempted to outrun zombies and maneuver through various obstacles along the four-mile course. (U.S. Air Force photo/Samuel King Jr.)

Runners try to avoid the zombies within the wooden barriers set up for the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. More than 500 people attempted to outrun zombies and maneuver through various obstacles along the four-mile course. (U.S. Air Force photo/Samuel King Jr.)

More than 500 people turned out to outrun zombies and maneuver through various obstacles at the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. (U.S. Air Force photo/Samuel King Jr.)

A zombie nurse crawls forward at the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. More than 500 people attempted to outrun zombies and maneuver through various obstacles along the four-mile course. (U.S. Air Force photo/Samuel King Jr.)

A runner fights back against a zombie trying to grab her flag during the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. More than 500 people attempted to outrun zombies and maneuver through various obstacles along the four-mile course. (U.S. Air Force photo/Samuel King Jr.)

Zombie firefighters hose down and attack runners at the end of the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. More than 500 people attempted to outrun zombies and maneuver through various obstacles along the four-mile course. (U.S. Air Force photo/Samuel King Jr.)

A somber zombie waits for the race to begin at the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. More than 500 people attempted to outrun zombies and maneuver through various obstacles along the four-mile course. (U.S. Air Force photo/Samuel King Jr.)

Zombies attack a runner midway through the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. More than 500 people attempted to outrun zombies and maneuver through various obstacles along the four-mile course. (U.S. Air Force photo/Samuel King Jr.)

One of the first runners tries to escape a zombie attack at the beginning of the 2nd Annual Zombie Run Oct. 26 at the Eglin Air Force Base golf course. More than 500 people attempted to outrun zombies and maneuver through various obstacles along the four-mile course. (U.S. Air Force photo/Samuel King Jr.)