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O'brien Trail Races

Marine on Saint Croix, United States • 20 Sep 2025

The O'Brien Trail Races, scheduled for September 20, 2025, at William O'Brien State Park in Marine on St. Croix, Minnesota, offers a variety of race distances including 50K, 25K, 10K, and 5K. Participants can enjoy scenic trails while competing for awards in various categories.

Registration opens on February 1, 2025, and includes options for race shirts to keep costs down. The event emphasizes a family-friendly atmosphere, particularly with the affordable 5K entry fee. Post-race refreshments will be provided, and all finishers will receive a commemorative print.

The event will adapt to virtual formats if necessary due to unforeseen circumstances. Visit the organization's website for the most recent information.

United States Minnesota Marine on Saint Croix

Race information

Registration Facebook
50 km
50k
25 km
25k
10 km
10k
5 km
Visit the organization's website for the most recent information.
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