The Half Day at the Lake returns to Evanston, Illinois on September 26th, offering runners a unique endurance challenge along one of Chicago’s premier lakefront paths through Northwestern University's scenic campus area.
Evanston’s lakefront path is flat and well-maintained, with sections that can be run either alongside or directly upon the shared paved route. Runners will encounter stretches of crushed gravel but also have options to stay on firmer grassy areas if preferred. The weather in early September typically ranges from mild temperatures around 19.8°C (67°F) and lower humidity levels, providing a comfortable environment for endurance runners. This event has grown significantly since its inception, now attracting over three hundred participants annually who aim to test their limits across various distances. Proceeds support local community initiatives within Evanston, emphasizing the importance of supporting grassroots running communities in Illinois. The Half Day at the Lake offers more than just competition; it is a celebration of endurance and camaraderie among runners. The race course follows a 2-mile loop along the lakefront path near Northwestern University’s campus, featuring flat terrain that transitions between paved surfaces and crushed gravel sections with nearby grass alternatives for varied running conditions. Participants will start and finish at Sheridan Road in Evanston, where the route offers scenic views of Lake Michigan throughout its entirety. Weather forecasts indicate mild temperatures ranging from 15.9°C to 23.6°C (60°F to 74°F) on race day with an average wind speed of approximately 11.3 km/h and humidity around 72%. The UV index is expected to be moderate at a level of five, making it suitable for outdoor activities without excessive heat or sun exposure. The Half Day at the Lake offers runners two distinct options: a 6 Hour Race with an early bird registration fee of $60.00 before July 15th and regular pricing starting from August 1st, as well as a 12 Hour Race initially priced at $70.00 until July 15th and increasing to $85.00 thereafter. To register for the Half Day at the Lake, visit [https://ultrasignup.com/register.aspx?did=136581](https://ultrasignup.com/register.aspx?did=136581). Early bird pricing is available until July 15th; after this date, fees will incrementally rise. Bib pickup takes place at the start location on race day from 7 AM to noon for early arrivals and between 4 PM and 9 PM the evening before. Participants should meet at Sheridan Road in Evanston, where the finish line is also located just a few blocks away from both CTA Purple Line and Metra UP-North Davis Street Stations. Age requirements stipulate that runners must be over eighteen years old to participate without parental consent; minors are welcome with guardian accompaniment. The Half Day at the Lake in Evanston, Illinois on September 26th offers a challenging yet scenic course along Chicago's lakefront and Northwestern University campus grounds, making it an ideal event for endurance athletes looking to push their limits while enjoying beautiful surroundings.
Races Offered
12 Hour Race
Sep 26, 2026
straighten
Distance —
12 Hours
terrain
Type —
Running
timer
07:00
sell
$70.00
6 Hour Race
Sep 26, 2026
straighten
Distance —
6 Hours
terrain
Type —
Running
timer
07:00
sell
$60.00
Weather History
These values represent the 3-year monthly averages for September in Evanston.
thermostatTemperature
15.9° / 23.6°
wb_sunnyFeels like
14.9° / 22.7°
light_mode
Avg sunshine hours
9h 50m
water_drop
Avg rainfall
2.8 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
11.3 km/h (Light breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (5.0)
humidity_mid
Humidity
72.0%
wb_twilight
Sunrise
06:31
nightlight
Sunset
18:59
About Evanston
Learn more about the host city, Evanston.
Evanston is a city in the North Shore region of Illinois along the shores of Lake Michigan. Evanston has many identities: college town, dining destination, cultural center and gateway to the wealthy North Shore, although the city itself is anything but homogeneous in regards to economic status, culture and race.