SATURDAY. Air Force Marathon Build-Up Half Marathon. Start time: 7:00AM. Cost to register is $25. Find more information and register here. Distance: 13.1 miles. Pace: we are going to run the first half easy and the second half hard as a workout. Location: Bass Lake on Wright-Patterson AFB. Base access required to drive to Bass Lake. Those without base access can take shuttle from Hope Hotel (10823 Chidlaw Rd). Last shuttle leaves at 6:15AM. Bass Lake is behind the flight line on Area A. Directions.