… an adjustment. Figuring out how to get long runs in between shifts has been a learning process.” This year, winter weather has added an extra challenge. “This is actually my first time doing winter training, and that’s been a hurdle I didn’t anticipate,” Grier said. “It’s definitely been a mental game. … Boston Marathon finish line on April 20, it will mark not only the completion of 26.2 miles, but also a full-circle moment. From her days as a student in Boston to …