Races Half marathon · Boston, USA
B.A.A. Half Marathon
B.A.A. Half Marathon is a rolling half marathon in Boston, USA, held each November. Franklin Park and the Emerald Necklace with honest, repeated rises and a stadium-style finish. Early November is 3-12C. Boston's rolling course rewards effort-based pacing — hold steady effort on the rises and let the pace return on the descents.
Last updated 2026-07-03 · confirm dates & entries on the official race site
When
November
every year
Course
rolling
Half marathon
Conditions
Early November is 3-12C.
Racing this course well
Franklin Park and the Emerald Necklace with honest, repeated rises and a stadium-style finish.
Boston's rolling course rewards effort-based pacing — hold steady effort on the rises and let the pace return on the descents.
Pick your goal for Boston
Pace charts, weekly structure and timelines for the most common half marathon goals:
Asked often
- When is the B.A.A. Half Marathon?
- It is held each November in Boston, USA. Check the official B.A.A. Half Marathon site for the exact date and entry windows.
- Is the B.A.A. Half Marathon course flat?
- Franklin Park and the Emerald Necklace with honest, repeated rises and a stadium-style finish.
- How should I train for the B.A.A. Half Marathon?
- Match your preparation to B.A.A. Half Marathon's profile and the November weather, then protect consistency — RunV's adaptive plan recalibrates after every run so one bad week never derails the block.
Not sure what to target? Predict your half marathon time from a recent race →
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Build for Boston — around your actual life
RunV engineers your block backwards from race day in November — and rebuilds it every time training doesn't go to script.
