Photo Brett Wharton / Unsplash

Boston2026

Sun, 8 Nov 2026 · Boston · 6 days

Race week

6 days to go

Half Marathon start
08:00
Typical race day
8°C (46°F)

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Distance
21.1 km
Terrain
Rolling
Climb
200 m
Race day
8°C (46°F)

The Boston Half is a premier urban race centered around the city's "Emerald Necklace" park system. The course is widely regarded as a significant endurance challenge, featuring a rolling, undulating profile that winds through historic parklands, including the Arnold Arboretum, Jamaica Pond, and Olmsted Park. It is a highly competitive, scenic, and well-supported event that showcases the greener side of Boston while demanding respect for its constant elevation changes.

Before you go

Pro tips

Racing it

  1. 01

    Run the Rollers Even

    The 200 m of climbing comes in constant rollers, not one hill. Run by effort, letting pace rise on the descents and fall on the climbs instead of forcing flat splits.

    From the elevation profile

  2. 02

    Park Paths, Not Roads

    The course winds through the Emerald Necklace — the Arnold Arboretum, Jamaica Pond, and Olmsted Park. Expect shaded, narrower park paths rather than wide city streets, so settle your position before turns.

    From the description

  3. 03

    Dress for 7.5°C

    Typical race-day temperature is 7.5°C, so layer for a cold start. The rolling terrain will warm you quickly; plan to unzip or shed early rather than overheating.

    From the temperature

  4. 04

    Expect a Deep Field

    This is described as a highly competitive race. Mid-pack runners should resist chasing the early pace, since the constant elevation changes punish anyone who starts too hard.

    From the description

In Boston

  • Getting Around

    Boston is compact and walkable, and the T subway makes car-free race morning easy. The park paths around Jamaica Pond and the Arboretum are reachable on foot from nearby stops.

  • Spectator Spots

    The grassy edges of Jamaica Pond and the Arnold Arboretum give spectators room to watch. Because the course loops through the parks, they can walk to a second spot and see runners again.

  • After the Finish

    A slow walk through the Public Garden and Boston Common, or along the Charles River, helps sore legs recover. November in Boston is chilly, so keep a warm layer handy.

Written by AI from the course data and the race's description; city tips are general knowledge. Check race-day details with the organizer.

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Where to stay

Arrive
Fri, Nov 6
Leave
Mon, Nov 9
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Walk to the start

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Distances are from the race's location, not the start line. Places from OpenStreetMap contributors.

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