Course
Twelve loops of roughly 2.18 miles on a certified paved course at Millennium Park in Walker, Michigan, run in winter conditions and often on snow. Aid is available at about one mile and again at the start/finish on every loop. The course is Boston qualifying.
Key dates
- !RegistrationOpen now
- ★Race dayFri 5 Feb 2027
About
We've all heard of Punxsutawney Phil, the little furry guy in Pennsylvania who comes out, sees his shadow, and declares six more weeks of winter. Then there's Augustus T. Groundhog, better known as Grand Rapids Gus. He's Phil's much more interesting cousin. Unlike Phil, who it seems can only see shadows, Gus has much better eyesight and can look at a calendar on February 2 and know that spring doesn't start for six weeks. Gus suggested that instead of lamenting over six more weeks of winter, we should EMBRACE the cold and snow and do something fun. And so, the Groundhog Day Marathon was born.
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Grow Jackson Groundhog Gallop
Groundhog Day 5K funding Jackson's community gardens
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.