The 2024 event has concluded.

Grand Island Trail Marathon

Munising, MI, USA · July 27, 2024
clear-day61°·80° high·Breezy·Dry
8
Weather
Course
FAQ
History

Race Day Weather

clear-day
61°at start
82° high
Breezy
Dry

Warm day, steady wind shifts

Runners will face temperatures rising from 61°F at the start to 82°F by the finish, with humidity averaging 67% and a dew point of 59°F. A headwind at 13 mph will provide a challenge throughout the race. Runners should adjust their pace conservatively and ensure proper hydration to maintain performance.

clear-night9
clear-night9
clear-day9
clear-day9
clear-day8
clear-day8
clear-day8
clear-day7
partly-cloudy-day7
clear-day7
clear-day7

Get forecast alerts for Grand Island Trail 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 Grand Island Trail 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 Grand Island Trail Marathon

Racecast Concierge (free during beta)

Ask a question about the Grand Island Trail 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 Grand Island Trail Marathon and general racecast.io updates.

When is the 2024 Grand Island Trail Marathon?

The 2024 Grand Island Trail Marathon will be held on Saturday July 27, 2024.

Is the Grand Island Trail Marathon a Boston Marathon Qualifier?

No, the Grand Island Trail Marathon is NOT a Boston Marathon qualifier.

What will the weather be like for the 2024 Grand Island Trail Marathon?

The forecast calls for a high of 82°F and a low of 61°F with a 0% chance of rain.

Historical Weather

Based on 19 years of data
Avg Temp
72°F
L:61° H:73°
RunScore
7
Conditions
Rain Freq
21%
4 of 19 yrs
Wind10mph
Dew60°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore

2024 Grand Island Trail Marathon

Clear conditions throughout the day.

2024
clear-day
61°/82°-
8

2023 Grand Island Trail Marathon

Partly cloudy throughout the day.

2023
partly-cloudy-day
60°/66°-
8

2022 Grand Island Trail Marathon

Clear conditions throughout the day.

2022
clear-day
58°/75°-
8

2021 Grand Island Trail Marathon

Clear conditions throughout the day with a chance of rain throughout the day.

2021
clear-day
71°/73°Light
6

2019 Grand Island Trail Marathon

Partly cloudy throughout the day.

2019
partly-cloudy-day
67°/75°-
8

2018 Grand Island Trail Marathon

Cloudy skies throughout the day with rain clearing later.

2018
rain
62°/65°Moderate
7

2017 Grand Island Trail Marathon

Partly cloudy throughout the day.

2017
partly-cloudy-day
64°/79°-
8

2016 Grand Island Trail Marathon

Clear conditions throughout the day.

2016
clear-day
60°/76°-
8

2015 Grand Island Trail Marathon

Partly cloudy throughout the day with early morning rain.

2015
partly-cloudy-day
65°/74°-
8

2014 Grand Island Trail Marathon

Partly cloudy throughout the day with rain in the morning and afternoon.

2014
cloudy
66°/76°Light
8

2013 Grand Island Trail Marathon

Cloudy skies throughout the day.

2013
cloudy
51°/57°-
9

2012 Grand Island Trail Marathon

Clear conditions throughout the day.

2012
clear-day
50°/73°-
8

2011 Grand Island Trail Marathon

Partly cloudy throughout the day with late afternoon rain.

2011
partly-cloudy-day
62°/88°-
7

2010 Grand Island Trail Marathon

Clearing in the afternoon.

2010
partly-cloudy-day
66°/80°-
8

2009 Grand Island Trail Marathon

Cloudy skies throughout the day with late afternoon rain.

2009
cloudy
62°/64°-
9

2008 Grand Island Trail Marathon

Partly cloudy throughout the day.

2008
clear-day
63°/69°-
8

2007 Grand Island Trail Marathon

Clear conditions throughout the day.

2007
clear-day
55°/68°-
8

2006 Grand Island Trail Marathon

Partly cloudy throughout the day with rain clearing later.

2006
clear-day
66°/69°Light
7

2005 Grand Island Trail Marathon

Partly cloudy throughout the day with afternoon rain.

2005
cloudy
53°/70°-
9

More MI Races

Amway River Bank Run
2026-05-09 · Grand Rapids, MI, USA
MISH Waterfront Marathon
2026-06-06 · Gladstone, MI, USA
Charlevoix Marathon
2026-06-20 · Charlevoix, MI, USA
Hungry Duck Half Marathon, 10K & 5K Run/Walk
2026-07-04 · Brighton, MI, USA
North Country Trail Marathon
2026-08-29 · Manistee National Forest, MI, USA
Millennium Meadows Marathon
2026-08-30 · Grand Rapids, MI, USA

Race Day Alerts

Get notified when the Grand Island Trail 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 Grand Island Trail 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.