Swim to the Moon Open Water Swim Festival

  • Date Sun 17th August 2025
  • Location Gregory, Michigan
  • Price $119.10 - $291.25
  • Races 11 races
  • Distances 10km, 5km

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Event summary

Dive into an unforgettable experience at the Swim to the Moon Open Water Swim Festival, taking place on Sunday, August 17, 2025, in the beautiful Gregory, Washtenaw, Michigan. This exciting event invites swimmers of all levels to immerse themselves in the stunning Hiland Chain of Lakes, offering a variety of race distances to suit every adventurer—from a .5 Mile to an exhilarating 15K swim.

Participants will navigate through the lush landscapes of the Pinckney Recreation Area, with the 5K and 15K races starting from the scenic shores of Patterson Lake at North Star Reach. As swimmers glide through five picturesque lakes, they will enjoy the serenity of nature while supporting a noble cause: North Star Reach, a camp dedicated to children facing serious medical challenges. Whether you're competing in the shorter distances or tackling the longer challenges, every stroke contributes to a meaningful mission. Join us for a day filled with camaraderie, competition, and the joy of open-water swimming!

Organiser's Description

What is Swim to the Moon?

Swim to the Moon is an extraordinary open-water swimming adventure through the picturesque Hiland Chain of Lakes near Hell, Michigan. Choose your distance .5 Mile, 1 Mile, 1.2 Mile, 2.4 Mile, 5K, 10K or 15K and have the time of your life swimming through Southeast Michigans most sublime waterways, all the while showing support for a very worthy cause: North Star Reach, a camp for children with life-threatening, serious, and chronic medical conditions.

The 5K and 15K swims start on the shores of Patterson Lake at North Star Reach; from there, swimmers head south and east through the heavily forested Pinckney Recreation Area, passing through five lakes along the way. Scattered cottages are the only signs of civilization. The 5K will finish once they reach Halfmoon Lake Beach, while the 15K swimmers will head back to North Star Reach on Patterson Lake, then back to Halfmoon Lake Beach again to finish! 10K race participants start at Halfmoon Lake Beach, swim to the start of the 15K/5K (where their special needs bags will be available), then turn around to head back to the shores of Halfmoon Lake Beach. The .5 Mile, 1 Mile, 1.2 mile, and 2.4 Mile swims start at Halfmoon Lake Beach. All events finish at the state beach on the east shore of Halfmoon Lake.

Please note that Swim to the Moon is for individual athletes. If you have a group, consider entering our team division! High School Coaches/Captains: Please contact [email protected] for a special group discount for your team!

This race is sanctioned by USMS. The USMS $20 one-event fee is built into the price. If you are an annual member of USMS, $20 will be deducted from your race entry.

Races

  • 10K: Full Moon

    Incl. $11.50 Fee & T-Shirt

    Sun 17th August 2025 (6:30AM EDT)

    $161.50

    OPENS SOON
  • 10K: Full Moon WETSUIT DIVSION

    Incl. $11.50 Fee & T-Shirt

    Sun 17th August 2025 (6:30AM EDT)

    $161.50

    OPENS SOON
    Please sign up for this event if and only if you definitely plan to wear a wetsuit. Please note that if the water temperature is above 84 degrees, you will not be allowed to wear a wetsuit. You will be timed and given overall and age-group results, but no awards are given in the wetsuit division.
  • 5K: Half Moon

    Incl. $10.30 Fee & T-Shirt

    Sun 17th August 2025 (7:30AM EDT)

    $140.30

  • 5K: Half Moon WETSUIT DIVISION

    Incl. $10.30 Fee & T-Shirt

    Sun 17th August 2025 (7:30AM EDT)

    $140.30

    Please sign up for this event if and only if you definitely plan to wear a wetsuit. Please note that if the water temperature is above 84 degrees, you will not be allowed to wear a wetsuit. You will be timed and given overall and age-group results, but no awards are given in the wetsuit division.
  • 1.2 Mile: Quarter Moon

    Incl. $9.10 Fee & T-Shirt

    Sun 17th August 2025 (9:30AM EDT)

    $119.10

    OPENS SOON
  • 1.2 Mile: Quarter Moon WETSUIT DIVISION

    Incl. $9.10 Fee & T-Shirt

    Sun 17th August 2025 (9:30AM EDT)

    $119.10

    OPENS SOON
    Please sign up for this event if and only if you definitely plan to wear a wetsuit. Please note that if the water temperature is above 84 degrees, you will not be allowed to wear a wetsuit. You will be timed and given overall and age-group results, but no awards are given in the wetsuit division.
  • .5 Mile: Gibbous Moon

    Incl. $9.10 Fee & T-Shirt

    Sun 17th August 2025 (9:30AM EDT)

    $119.10

    OPENS SOON
  • .5 Mile: Gibbous Moon WETSUIT DIVISION

    Incl. $9.10 Fee & T-Shirt

    Sun 17th August 2025 (9:30AM EDT)

    $119.10

    OPENS SOON
    Please sign up for this event if and only if you definitely plan to wear a wetsuit. Please note that if the water temperature is above 84 degrees, you will not be allowed to wear a wetsuit. You will be timed and given overall and age-group results, but no awards are given in the wetsuit division.
  • 2.4 Mile: Waxing Gibbous Moon

    Incl. $10.30 Fee & T-Shirt

    Sun 17th August 2025 (7:30AM EDT)

    $140.30

  • 2.4 Mile: Waxing Gibbous Moon WETSUIT DIVISION

    Incl. $10.30 Fee & T-Shirt

    Sun 17th August 2025 (7:30AM EDT)

    $140.30

  • 10K Relay: Sturgeon Moon

    Incl. $16.25 Fee & T-Shirt

    Sun 17th August 2025 (7:30AM EDT)

    $291.25

    OPENS SOON
    This is a 2-person relay, each swimmer will swim 5K. Each team has the option to have a 3rd person as a team driver. Swimmer #1 will swim from Halfmoon Lake to North Star Reach. Swimmer #2 will drive the team vehicle and park at North Star Reach. Swimmer #1 will drive the team vehicle back to Halfmoon Lake.

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Location

Halfmoon Lake, 8725 Hankerd Rd., Gregory, 48137, MI, United States

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Aug 17, 2025

$119.10 - $291.25