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Boston Cut-off Time Prediction Contest

Boston Cut-off Time Prediction Contest

Predict the 2027 Boston Cut-off Time and win a great prize and bragging rights among all your running friends.

Submit Your Prediction

Best Boston Marathon Qualifiers for 2026

Best Boston Marathon Qualifiers

It's here! Our annual list of the year's
best marathons to help you qualify for the Boston Marathon.

2026 IS HERE!


Marathon Pace Bands

Marathon Pace Bands

Run the Right Pace in Your Next Marathon

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The 2026 Boston Marathon Weather is LIVE!

See your likely race conditions from Hopkinton to Boston based on your wave and goal time.

Customize your forecast

Select Your Goal Time and Wave

Choose your projected finish time and start wave to see more personalized weather, wind, and race-day guidance along the course.

Goal Finish Time

: :

Wave

Boston Marathon Course Weather

Personalized to your selected wave and finish goal.

9:37am Start 11:37am Finish
Race Conditions Summary
Great Expect a sunny start in Hopkinton around 42°F, with temperatures climbing to about 48°F by the finish. Sunny early should transition toward partly cloudy conditions by Boston. The most helpful wind looks to be in the final run into Boston, where a tailwind could give runners some assistance. Even through the Newton hills, the wind setup may give some help rather than adding pressure late. Overall, the temperature setup looks fairly manageable if you stay patient through the early miles. Gusts could make exposed stretches feel more variable than the steady wind speed suggests.
Tough Fair Good Great
Based on temperature, humidity, wind, and precipitation across your time on the course.

Start

9:37am
Sunny
Sunny
42°F
Humidity: 61% Dewpoint: 29°F Wind: 11mph WNW

Framingham (6.5)

10:07am
Partly Cloudy
Partly Cloudy
45°F
Humidity: 55% Dewpoint: 30°F Wind: 11mph WNW

Wellesley (13.1)

10:37am
Partly Cloudy
Partly Cloudy
46°F
Humidity: 52% Dewpoint: 29°F Wind: 10mph WNW

Heartbreak Hill (20.2)

11:10am
Partly Cloudy
Partly Cloudy
46°F
Humidity: 49% Dewpoint: 28°F Wind: 11mph WNW

Finish

11:37am
Partly Cloudy
Partly Cloudy
48°F
Humidity: 44% Dewpoint: 27°F Wind: 13mph W

Wind Snapshot

Tailwind 61% of the course
Headwind 0% of the course
Start to Mile 5
Helpful
51% tailwind / 0% headwind
11 mph · W
Gusts: 15 mph
Miles 6 - 10
Helpful
89% tailwind / 0% headwind
11 mph · W
Gusts: 15 mph
Miles 11 - 15
Helpful
26% tailwind / 0% headwind
10 mph · WNW
Gusts: 18 mph
Miles 16 - 20
Helpful
42% tailwind / 0% headwind
11 mph · WNW
Gusts: 20 mph
Miles 21 to Finish
Helpful
91% tailwind / 0% headwind
13 mph · W
Gusts: 22 mph

What This Means for Your Race

The opening miles may feel chilly while standing around in Hopkinton, so a throwaway layer could help before the gun.
Conditions look fairly manageable late, which should help runners who pace conservatively through halfway.
A favorable wind setup may give you some help on larger sections of the course, but avoid forcing the pace too early.
Stronger gusts may make the race feel more variable than the sustained wind numbers suggest.

What to Wear / Carry

Quick recommendations based on start temperature, late-race warmth, wind, and rain risk.

✓ Throwaway top at the start
✓ Normal fluid plan likely fine
✓ No major rain gear needed
✓ Light gloves optional if you run cold

2026 vs Typical Boston

Metric
2026
Typical
Diff
Race average temp
45°F
52°F
-7°
Start temperature
42°F
53°F
-11°
Start humidity
61%
57%
+4%
Start wind speed
11 mph
9 mph
+2 mph
Start wind direction
WNW
ESE
 
Start conditions
Sunny
Clear
Different

Cooler-than-average conditions may help runners hold pace deeper into the race if the wind stays manageable.

Boston Marathon Course Map

Interactive route map of the Boston Marathon.
Boston Marathon Elevation Profile