2025 - the overGRound marathon/relay
2025 distances
Running
Marathon
This is a (mostly) self-supported marathon on a course that is not closed to traffic. There will a number of aid stations along the route.
Race date Weather
Conditions on October 26, 2025 — historical Open-Meteo data.
About Grand Rapids
the overGRound marathon/relay takes place in Grand Rapids, Michigan, United States. The local timezone is America/New_York.
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🏃 Plan Your Next Race in Grand Rapids
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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.