U.S. Marine Corps Cpl. Tyler Halliday, a water maintenance technician, and 1st Lt. Logan Book, executive officer of Combat Engineer Company, both with 8th Engineer Support Battalion, Combat Logistics Regiment 27, 2nd Marine Logistics Group, train on Camp Lejeune, North Carolina, April 4, 2024, prior to competing in the 128th Boston Marathon. Halliday and Book qualified to compete in the Boston Marathon as a member of the All-Marine Running Team through their hard work and dedication. (U.S. Marine Corps photo by Cpl. Jackson Kirkiewicz) - U.S. Marine Corps Cpl. Tyler Halliday, a water maintenance technician, and 1st Lt. Logan Book, executive officer of Combat Engineer Company, both with 8th Engineer Support Battalion, Combat Logistics Regiment 27, 2nd Marine Logistics Group, train on Camp Lejeune, North Carolina, April 4, 2024, prior to competing in the 128th Boston Marathon. Halliday and Book qualified to compete in the Boston Marathon as a member of the All-Marine Running Team through their hard work and dedication. (U.S. Marine Corps photo by Cpl. Jackson Kirkiewicz)