Granite State Marathon

Nashua, NH, USA · May 9. 2026
partly-cloudy-day50°·60° high·Breezy·Dry
9
Weather
Course
FAQ
History

Race Day Weather

partly-cloudy-day
50°at start
61° high
Breezy
Dry

Cool morning, mild finish

Runners will face a temperature range from 48°F at the start to 61°F by the finish. Winds will be from the SW at 9 mph, with gusts reaching 23 mph. With moderate humidity at 62%, it's advisable for runners to maintain a steady pace and stay hydrated, especially as temperatures rise later in the race.

partly-cloudy-night9
partly-cloudy-night9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9

Get forecast alerts for Granite State Marathon

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Info

Website
Area Map

Course Map

Course Map Unavailable

We don't have course map data for Granite State Marathon yet. If you have a GPX file (or other format) for this race, we'd love to add it!

FAQ

Ask a Question about the Granite State Marathon

Racecast Concierge (free during beta)

Ask a question about the Granite State Marathon and we'll do the hard part and find the answer for you within 48 hours.

By using Racecast Concierge, you agree to receive email alerts pertaining to the Granite State Marathon and general racecast.io updates.

When is the 2026 Granite State Marathon?

The 2026 Granite State Marathon will be held on Saturday May 9, 2026.

Is the Granite State Marathon a Boston Marathon Qualifier?

Yes, the Granite State Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Granite State Marathon?

The forecast calls for a high of 66°F and a low of 49°F with a 11% chance of rain.

Historical Weather

Based on 2 years of data
Avg Temp
56°F
L:43° H:56°
RunScore
8
Conditions
Rain Freq
50%
1 of 2 yrs
Wind10mph
Dew45°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore

2025 Granite State Marathon

Partly cloudy throughout the day with a chance of rain throughout the day.

2025
rain
47°/54°Light
9

2024 Granite State Marathon

Partly cloudy throughout the day.

2024
clear-day
39°/59°-
8

More NH Races

Clarence DeMar Marathon
2026-09-27 · Keene, NH, USA
New Hampshire Marathon
2026-10-03 · Bristol, NH, USA
Manchester City Marathon
2026-11-08 · Manchester, NH, USA
Cheap Marathon
2027-04-03 · Derry, NH, USA
Free guidesMarathon Fueling Guide·Carb Loading Guide·Race Morning Guide·Race Day Gear Guide·Pacing Strategy Guide·Mental Strategy Guide

Race Day Alerts

Get notified when the Granite State Marathon forecast shifts — so you can adjust your gear, pacing, and strategy.

Forecast shift alerts (temp, wind, rain)
Updates as weather changes leading up to race day
Max one message per day
Text Alerts

USA, UK, and Canada only. Standard rates apply.

or
Email Alerts

By subscribing you agree to receive race forecasts and racecast.io updates.

Submit a correction

Spot something wrong or missing for the Granite State Marathon? Let us know and we'll update it.

You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR

Submit a race

Missing a race? Send it in and we'll add it to Racecast.