Leading up to her eighth 26.2-mile race—the Chicago Marathon—Arroyo decided to really stick to the workouts noted in her training plan (she used the plan on the Nike Run Club app), and ended ...

The following January, Harmon began training in earnest, for the Martha's Vineyard Marathon ... The Chicago strategy was fairly simple from the 7:30 a.m. start. Harmon's plan was to hit each ...