Half marathons in Boston

13 upcoming half marathons in Boston. Filter by date, exact distance, or elevation.

10K races in BostonMarathons in BostonUltras in BostonAll distances in Boston

Browse by month

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

This calendar in numbers

This calendar currently lists 13 upcoming events, from Sep 26, 2026 to May 2, 2027. October is the busiest month, with 4 events scheduled. Events are spread across 8 different locations; Gloucester hosts the most (4).