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Swim to the Moon Open Water Swim Festival

Sunday, August 16, 2026
Gregory, Michigan

Course Maps and Distances

All courses are subject to change at any time at the race director's discretion.

15K — The 15K swim course starts at Patterson Lake on the beach of North Star Reach, keeping the buoys on the left to Halfmoon Lake Beach. At Halfmoon Lake Beach, 15K swimmers exit the water, receive their "special needs" bag if they so desire, and return to swimming again, keeping the buoys on the left to Patterson Lake and the beach of North Star Reach. At North Star Reach, 15K swimmers exit the water, receive their “special needs” bag if they so desire, and return to swimming again, keeping the buoys on their left to Halfmoon Lake Beach for the finish. 

10K — The 10K swim course starts at Halfmoon Lake Beach, keeping the buoys on the left to Patterson Lake and the beach of North Star Reach. At North Star Reach, 10K swimmers exit the water, receive their “special needs” bag if they so desire, and return to swimming again, keeping the buoys on their left to Halfmoon Lake Beach for the finish.

5K — The 5K swim course begins at Patterson Lake on the beach of North Star Reach, keeping the buoys on the left to Halfmoon Lake Beach for the finish.

CLICK HERE FOR INTERACTIVE MAP

.5 Mile through 2.4-mile swim courses start at Halfmoon Lake Beach and follow out-and-back courses.

CLICK HERE TO SEE A VIDEO OF THE COURSE

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