The 2025 event has concluded.

Green Bay Marathon

Green Bay, WI, USA · May 18, 2025

50°·55° high·Breezy·Dry

Race Day Weather

50°at start

56° high

Breezy

Dry

Cool start, steady conditions

Runners will face temperatures starting at 50°F and peaking at 55°F, with humidity around 65%. Winds from the NW at 9 mph may gust up to 28 mph, creating occasional challenges. With the cool conditions, runners can maintain their pace but should remain aware of the wind impact, particularly in open areas.

5 AM

6 AM

7 AM

8 AM

9 AM

10 AM

11 AM

12 PM

1 PM

2 PM

3 PM

4 PM

Pre-raceRace windowPost-race

Pace Calculator

Distance: 26.2mi

Target Finish Time

0:00:00

HH:MM:SS

Pace

—

Weather Adj.

—

Common Goals:

Get forecast alerts for Green Bay 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

The Green Bay Marathon offers a fast, flat course that winds through Green Bay, Ashwaubenon, and De Pere, with a scenic stretch along the Fox River Trail. Runners finish with a lap around the historic Lambeau Field, home of the Green Bay Packers, before crossing the finish line in the stadium's shadow. The race concludes with a tailgate-themed party featuring live music and local cuisine.

Website

Course Map

FAQ

When is the 2025 Green Bay Marathon?

The 2025 Green Bay Marathon will be held on Sunday May 18, 2025.

Is the Green Bay Marathon a Boston Marathon Qualifier?

Yes, the Green Bay Marathon is an official Boston Marathon qualifier.

What is the time limit for the Green Bay Marathon?

The time limit for the Green Bay Marathon is 7 hours.

What will the weather be like for the 2025 Green Bay Marathon?

The forecast calls for a high of 57°F and a low of 47°F with a 0% chance of rain.

Historical Weather

Based on 23 years of data

Avg Temp

68°F

L:53° H:68°

RunScore

Conditions

Rain Freq

13%

3 of 23 yrs

Wind12mph

Dew47°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2024 Green Bay Marathon Clear conditions throughout the day. 2024	60°/75°	-	45°
2023 Green Bay Marathon Clear conditions throughout the day. 2023	51°/77°	-	45°
2022 Green Bay Marathon Partly cloudy throughout the day. 2022	61°/75°	-	41°
2019 Green Bay Marathon Clear conditions throughout the day. 2019	49°/57°	-	37°
2018 Green Bay Marathon Partly cloudy throughout the day with rain clearing later. 2018	54°/64°	-	53°
2017 Green Bay Marathon Partly cloudy throughout the day with rain clearing later. 2017	50°/62°	Light	52°
2016 Green Bay Marathon Clear conditions throughout the day. 2016	58°/75°	-	49°
2015 Green Bay Marathon Cloudy skies throughout the day with rain clearing later. 2015	49°/62°	-	52°
2014 Green Bay Marathon Partly cloudy throughout the day. 2014	49°/69°	-	41°
2013 Green Bay Marathon Clear conditions throughout the day. 2013	60°/78°	-	61°
2012 Green Bay Marathon Clear conditions throughout the day with late afternoon rain. 2012	70°/89°	-	59°
2011 Green Bay Marathon Clear conditions throughout the day. 2011	47°/56°	-	28°
2010 Green Bay Marathon Clear conditions throughout the day. 2010	47°/64°	-	43°
2009 Green Bay Marathon Clear conditions throughout the day. 2009	40°/60°	-	26°
2008 Green Bay Marathon Partly cloudy throughout the day with afternoon rain. 2008	46°/57°	-	32°
2007 Green Bay Marathon Cloudy skies throughout the day. 2007	39°/48°	-	35°
2006 Green Bay Marathon Clear conditions throughout the day. 2006	41°/57°	-	32°
2005 Green Bay Marathon Partly cloudy throughout the day with morning rain. 2005	56°/75°	Light	53°
2004 Green Bay Marathon Cloudy skies throughout the day with rain. 2004	49°/54°	Light	50°
2003 Green Bay Marathon Partly cloudy throughout the day. 2003	52°/68°	-	54°
2002 Green Bay Marathon Clear conditions throughout the day with late afternoon rain. 2002	71°/85°	-	68°
2001 Green Bay Marathon Clear conditions throughout the day. 2001	62°/78°	-	57°
2000 Green Bay Marathon Clearing in the afternoon with early morning rain. 2000	64°/80°	-	64°

More WI Races

Adrenaline Races Marathon

2026-09-20 · West Bend, WI, USA

Eisenbahm Trail Marathon

2026-09-20 · West Bend, WI, USA

Wisconsin Marathon

2026-04-25 · Kenosha, WI, USA

La Crosse Marathon

2026-05-02 · La Crosse, WI, USA

Madeline Island Marathon

2026-05-16 · La Pointe, WI, USA

Minocqua Northwoods Escape Marathon

2026-05-24 · Minocqua, WI, USA