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RunningRace day in 48 days

Great Lake Plunge

Date
July 26, 2026
Distance
4K Wetsuit · 4K Non-Wetsuit · 2K Wetsuit & more
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From the Organizer

The Great Lake Plunge is Evanston's only open water swimming event. The swim consists of three events: 4K, 2K, 1K. This is a not-for-profit event which provides grants to support local water safety training and awareness This is a unique, family friendly event that will leave an impression for years to come. Visit our website for detailed information.

The racecourse is a 1K GPS buoyed rectangle. Swimmers will start at the southwest corner and be directed clockwise, first heading northwest, then turning northeast before returning southeast and finally southwest, back to the starting area. Buoys will be placed at the corners and halfway points.  

The 1K swimmers swim 1 loop, 2K swimmers 2 loops, and 4K swimmers 4 loops.

Events

4K Wetsuit7 AMRegister →
4K Non-Wetsuit7 AMRegister →
2K Wetsuit7 AMRegister →
2K Non-Wetsuit7 AMRegister →
1K Wetsuit7 AMRegister →
1K Non-Wetsuit7 AMRegister →

Weather

Typical Conditions

It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.

Typical High

84°

Typical Low

64°

Chance of Rain

31%

Based on US Climate Normals data from Chicago Botanic Garden, 8 mi from the venue.

Sunrise 5:39 AMSunset 8:17 PMDaylight 14h 38m

Host City

About Evanston, IL

Population

76,552

as of 2023

Elevation

610 ft

Nearest Airport

ORD

Chicago O'Hare International Airport · 12 mi

Time Zone

Central Time

From Endurance Grid

A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.

Race Location

Your Next Start Line

What Are You
Waiting For?

Every finish line starts with a single decision. Claim your spot at Great Lake Plunge, put it on the calendar, and turn “someday” into a start date.

48

Days to train

Race
Great Lake Plunge
Date
July 26, 2026

From Endurance Grid

About This Sport

Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.

With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.

Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.

Read the Guide

Running

From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.

Frequently Asked Questions (FAQs)

What is the Great Lake Plunge?
Great Lake Plunge is a running race held in Evanston, Illinois on July 26, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
When and where is the Great Lake Plunge?
Sunday, July 26, 2026 in Evanston, Illinois at Dempster St Beach, Evanston, Evanston, IL. Check the event page for exact start times and wave schedules.
How do I register for the Great Lake Plunge?
Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.

Great Lake Plunge

Jul 26, 2026

Register →