Mid-May · Midwest · Loop

Green Bay Marathon (Cellcom)

Green Bay, WI

Lap around Lambeau Field turf

Best for PR
Boston Qualifier
First Marathon

Official site

Opens the race organizer's website

Typical start temp: 48°F(estimated)
Field size: ~1,500 runners(estimated)
Course: Flat
Elevation: 250 ft gain(estimated)

Why runners choose this race

A loop course around Green Bay, WI, with very little meaningful elevation change.

Good fit if

· PR attempts
· Boston qualification
· First-time marathoners

Think twice if

No notable warnings in the data.

Course and logistics

Course type: Loop
Surface: Road
Total gain: 250 ft(estimated)
Field size: ~1,500 runners(estimated)
Crowd support: Pockets of spectators
Entry: Data coming soon
Start / finish: Start and finish in the same area

Race details

Typical timing: Mid-May
Region: Midwest
Editorial tier: Featured
Data last reviewed: 2026-08-26

Lap around Lambeau Field turf

Good to know

Best for PR
Boston Qualifier
First Marathon
Loop course
Flat course
Destination race

Race-day weather

Modelled from location, month and coastal proximity — not verified race history.

Typical start

48°F(estimated)

By midday

59°F(estimated)

Dew point

41°F(estimated)

ExcellentGoodWarmHeat risk

Typical start sits at 48°F — excellent marathon conditions.

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