BOSTON (AP) — The Boston Marathon, the world's most celebrated footrace, was postponed until Sept. 14 because of the coronavirus pandemic.

Boston Mayor Marty Walsh announced the decision Friday. The Boston Athletic Association, which oversees the marathon, had held off deciding the fate of the April 20 race even as other high-profile sports events were canceled or postponed around the globe.

But pressure had mounted in recent weeks from officials in Boston and the seven cities and towns along the 26.2-mile (42.2-kilometer) course. Some had expressed worries not only for the health of the 31,00...