Green Bay Marathon

Green BayWisconsinUnited States

Next race

Sunday, 23 May 2027

7:30 am start

Distance

42.195 km / 26.2 mi

Lakeside scenic road

Elevation

Flat · 50 m gain

50 m climbing

Race profile

Overview

The Cellcom Green Bay Marathon attracts approximately 1,800 finishers each May along the Fox River and Lake Michigan shoreline in Titletown USA. The course passes Lambeau Field, the CityDeck riverfront, and the Bay Beach area on flat Wisconsin terrain. May's mild Great Lakes spring and the Packers-country atmosphere make it Wisconsin's flagship marathon.

Green Bay Marathon is a certified 42.195 km (26.2 mile) marathon — the standard World Athletics marathon distance.

Typical participants: Approximately 1,800 finishers

Weather: Mild spring
13–19°C · humidity 60–75%
Marathon weather guide →

Course records: Men: 2:15:15 — James Boit (2010)Women: 2:37:39 — Janet Cherobon (2010)

Course & terrain

Green Bay Marathon course

Route map and elevation profile for race-week planning.

The Green Bay Marathon is a lakeside scenic road that starts and finishes near Lambeau Field or the CityDeck riverfront. The loop follows the Fox River, passes Lambeau Field, and reaches the Lake Michigan bay shore at Bay Beach. The flat profile keeps rhythm steady throughout, with only minor bridge ramps or short rises interrupting otherwise even pacing. Spectators line the lakeside promenades and the start-finish area, with the densest support where the course passes parks and scenic embankments.

Green Bay Marathon route map

Registration

Green Bay Marathon entry requirements

The Cellcom Green Bay Marathon is held in May, typically on the fourth Sunday. Registration is at https://www.cellcomgreenbaymarathon.com/.

Common questions

Frequently Asked Questions

Is the Green Bay Marathon a Boston Qualifier?: The Green Bay Marathon is a Boston Qualifier. The Green Bay Marathon holds a certified 42.195 km course that can be used for Boston Marathon qualifying times, subject to current Boston Athletic Association standards and the race's USATF (or equivalent) certification status in the registration year.
What is the Green Bay Marathon elevation profile?: The Green Bay Marathon has 50 metres of total climbing and 50 metres of descent over 42.195 km (26.2 miles). The course is flat, with 0 metres of net change from start to finish.
Where can I find the Green Bay Marathon route map?: This page includes a Green Bay Marathon course map showing the full 42.195 km route from start to finish. Follows the Fox River, passes Lambeau Field, and reaches the Lake Michigan bay shore at Bay Beach.
How long is the Green Bay Marathon?: The Green Bay Marathon is the standard marathon distance of 42.195 kilometres (26.2 miles), certified to World Athletics rules. Lakeside scenic road starts and finishes near Lambeau Field or the CityDeck riverfront.
What time does the Green Bay Marathon start?: The 2027 Green Bay Marathon starts at 7:30 am local time on Sunday, 23 May 2027. Arrive early for baggage drop and corral access — official race communications confirm any last-minute schedule changes.
Does the Green Bay Marathon pass Lambeau Field?: Yes. Lambeau Field, home of the Green Bay Packers, is a centrepiece landmark on the course through Titletown USA.
When is the Green Bay Marathon?: The Cellcom Green Bay Marathon is held in May, typically on the fourth Sunday.
Is the Green Bay marathon flat?: Yes. The Fox River and Lake Michigan shoreline course is flat throughout.
What is the CityDeck?: The CityDeck is Green Bay's modern riverfront boardwalk along the Fox River, a scenic section of the marathon route through downtown.
What weather should I expect in Green Bay in May?: May in Green Bay is mild Great Lakes spring, often 8–18 °C (46–64 °F). Lake breezes can be cool.

Last updated 11 October 2026. Edition dates and course details are reviewed regularly.

Close to this race

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