2025 - Swim to the Moon Open Water Swim Festival
2025 distances
Swimming
10K: Full Moon
10K: Full Moon WETSUIT DIVSION
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
5K: Half Moon WETSUIT DIVISION
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
1.2 Mile: Quarter Moon WETSUIT DIVISION
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
.5 Mile: Gibbous Moon WETSUIT DIVISION
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
2.4 Mile: Waxing Gibbous Moon WETSUIT DIVISION
10K Relay: Sturgeon Moon
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.
1.2 and .5 Charity Swim
The 1.2 Mile: Quarter Moon and .5 Mile: Gibbous Moon events are sold out — but all is not lost! 🌊 A limited number of charity swimmer spots are still available. Commit to raising $1,000 for our charity partners by August 31, and you’ll secure your spot in the race.
Race-day weather
Conditions on August 17, 2025 — historical Open-Meteo data.
The sun rises at 6:46 AM and sets at 8:34 PM local time (EDT) in Gregory on August 17, 2025 — 13h 48m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
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Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 2 Gregory events
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