Denville Polar Plunge
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2026 - Denville Polar Plunge

Denville, New Jersey, United States View on map
Mar 21, 2026 (America/New_York local time)
Running

2026 distances

Running

Denville Polar Plunge

Schedule of Events: March 21, 2026 at Cooks Pond in Denville, NJ 10:30am - Registrations Opens 11:45am - Registration Closes 11:45am - Safety Meeting 11:55am - National Anthem NOON - We Plunge!!! Rules: Must be 9 years old to plunge. Anyone under the age of 18 must have a parent/guardian at the Plunge with them throughout the event. All plungers and/or guardians of minor Plungers must sign a waiver at the event prior to plunging. Alcohol/recreational drugs are not allowed. Anyone deemed under the influence will be prohibited from participating. You must wear sneakers or water shoes to plunge. Surfaces are wet and slippery! No flips or diving Helpful things to wear/bring: Bathing suit or costume (Family friendly, of course!) Old shoes to plunge in Warm towel to dry off with Dry clothes/shoes (Changing tents available for use) Plastic garbage bag for wet clothes Leave valuables/jewelry at home. Wet rings can fall off in the cold water! A friend to Plunge with! Family and friends to cheer you on! Amenities: Music/DJ Free street parking Changing tents Hot coffee and drinks Water Hot Pizza Assorted Snacks The event is rain or shine! In the event of a major snowstorm, thunderstorm, or if the lake is frozen, the make-up date would Saturday, February 28th at NOON.

Mar 21, 2026 Denville Polar Plunge 12:00 PM
$35.00
Closed

Race-day weather

Conditions on March 21, 2026 — historical Open-Meteo data.

Temp (°C)
Minimum temperature (recorded on race day) 4.6° / Maximum temperature (recorded on race day) 11.7°
Feels Like (°C)
Minimum feels like — heat index / wind chill (recorded on race day) 0.6° / Maximum feels like — heat index / wind chill (recorded on race day) 11.7°
Peak wind (km/h)
Strongest wind of the day (recorded on race day)
19.8
Precip (mm)
Precipitation over the day (recorded on race day)
0.0mm
Humidity
Mean relative humidity (recorded on race day)
73.0%
Sunrise
Sunrise at the start line on March 21, 2026 (EDT)
Sunset
Sunset at the start line on March 21, 2026 (EDT)
Daylight
Hours between sunrise and sunset on race day
12h 12m

The sun rises at 6:58 AM and sets at 7:11 PM local time (EDT) in Denville on March 21, 2026 — 12h 12m 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, 5 Denville events

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