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.
Green Bay Marathon 2027 race day
The next Green Bay Marathon is scheduled for Sunday, 23 May 2027 with a 7:30 am start. The certified course covers 42.195 km (26.2 miles) with 50 m of climbing on a very flat layout.
Green Bay Marathon course route
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 elevation profile
The Green Bay Marathon course is very flat over 42.195 km (26.2 miles). Runners cover 50 metres of climbing and 50 metres of descent, with minimal net elevation change from start to finish.
Green Bay Marathon course videos
Race-day footage from the course to help you picture the route, crowds, and key landmarks on marathon day.
Green Bay marathon canceled mid-race after heavy rain hits course
Cellcom Green Bay Marathon: Why it was halted, what heat was like
Frequently Asked Questions
- 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 very flat, with 0 metres of net change from start to finish.
- 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 on www.cellcomgreenbaymarathon.com/ 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.
- 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 18 July 2026. Edition dates and course details are reviewed regularly.
