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Groundhog Day Marathon

Grand Rapids, MI

Race Dates

2018: Saturday, February 3, 2018
2017: Saturday, February 4, 2017

Course Information

Profile: Rolling Hills
Type: Multiple Loops
Surface: Road/Pavement
Certified?: Yes

Race Day Weather

Mean Temp.: 25°F (-3°C)
Average High: 31°F (0°C)
Average Low: 18° F (-7°C)

Historical Weather

PR Score & Course Score

PR Score: 99.24
Course Score: 99.24

Race Size

2017: 99 Finishers
2016: 81 Finishers
2015: 52 Finishers

BQ Percentages

2018: N/A
2017: 4%
2016: 3.7%

Miscellaneous Information

Pace Groups?: No

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Course Description

Each of the six loops of the Groundhog Day Marathon course has about 50 feet of elevation difference between the high and low points. As the description of the course from the race website states, in the event that there is snow on the course, it will not be cleared. Approximately a mile of the course is on crushed limestone (almost 2/10ths of a mile per loop).

Note that the PR Score and Course Score do not take into account if the course is covered with snow or ice.

Marathon Rankings

The Groundhog Day Marathon was the 374th largest marathon in the U.S. last year and was the 448th largest in 2016.

Last year 4% of finishers qualified for the Boston Marathon and 3.7% of runners qualified for Boston in 2016.

This gives the Groundhog Day Marathon the 383rd highest percentage of Boston Marathon qualifiers in the U.S. last year and the 424th highest percentage in 2016.

Its Course Score of 99.24 ranks it as the 150th fastest marathon course in the U.S. and the 5th fastest course in Michigan.

The typical race time temperature and humidity levels are within the ideal range for optimal marathon performance. This, coupled with the Course Score, gives the Groundhog Day Marathon a PR Score of 99.24. This PR Score ranks it as the 105th fastest marathon in the U.S. and the 2nd fastest in Michigan.

Learn more about PR Scores and Course Scores on the FAQ page.

Elevation Chart

Max Elevation: 639 feet (194m)
Min Elevation: 589 feet (179m)


Ratings & Reviews: None

Finish Time Equivalent

If you ran the Groundhog Day Marathon in 3:27:00, what would your time in the Boston Marathon be?

See how your race times would compare on other marathon courses using the Marathon Time Converter Tool.