Enrollment for the 36th Marine Corps Marathon is today at noon.
The marathon which takes place on Oct. 30 will feature up to 30,000 runners.
The registration is today at noon because it marks the anniversary of the flag raising during the Battle of Iwo Jima in World War II.
Service members who missed early registration can still sign up with the general public today.
Nearly 4,000 service members have already signed up for the race.
According to the Army Times website, last years marathon sold out in six days.
