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Attention... the date for this Race has passed, therefore online registration is not available. Please check with a race director or specific race website for more information.
Race Information
Race Name:Chicago Lakefront Ultras 50K and Half Marathon - George Cheung Memorial
Location:Chicago - Jackson Park
State:Illinois, United States
Posted:October 3rd, 2025 9:07 am
Last Update:October 3rd, 2025 10:16 am
 
Race: Logo
Event Information
Name of Event:Chicago Lakefront 50K
Distance:50.00
Measurement:Kilometers
Date:Saturday March 28th, 2026
Start Time:8:30 am
Special Instructions:
Registration into the Chicago Lakefront Ultras 50-Km includes a race shirt. UltraMarathoners will earn finishers' medals, and compete for overall & age group awards.
Minimum Age:18
Event Registration Schedule
Opened:Monday October 6th, 20256:00 am
Deadline passed:Thursday January 1st, 2026Midnight $65.00
Deadline passed:Sunday February 1st, 2026Midnight $75.00
Deadline passed:Thursday March 26th, 20265:00 pm $85.00
Unless otherwise noted... Registration Dates & Times are based upon: U.S. Central Daylight Saving Time
 
Event Information
Name of Event:Chicago Lakefront Buildup Run
Distance:20.71
Measurement:Miles
Date:Saturday March 28th, 2026
Start Time:8:30 am
Special Instructions:
Registration into the Chicago Lakefront Ultras Build Up Run includes chip-timed splits, access to aid stations, and a great group of people to enjoy the day with. You may choose to select a shirt size for a nominal surcharge (basically, our cost). There are no finisher awards for this event. Our build up run is a terrific economical opportunity to log mileage in a supported environment with great scenery and like-minded distance runners!
Event Registration Schedule
Opened:Monday October 6th, 20256:00 am
Deadline passed:Thursday January 1st, 2026Midnight $25.00
Deadline passed:Sunday February 1st, 2026Midnight $30.00
Deadline passed:Thursday March 26th, 20265:00 pm $35.00
Unless otherwise noted... Registration Dates & Times are based upon: U.S. Central Daylight Saving Time
 
Event Information
Name of Event:Chicago Lakefront Half Marathon
Distance:13.10
Measurement:Miles
Date:Saturday March 28th, 2026
Start Time:9:00 am
Special Instructions:
Registration into the Chicago Lakefront Ultras Half Marathon includes a race shirt. Half Marathoners will earn finishers' medals and compete for overall awards.
Event Registration Schedule
Opened:Monday October 6th, 20256:00 am
Deadline passed:Thursday January 1st, 2026Midnight $50.00
Deadline passed:Sunday February 1st, 2026Midnight $60.00
Deadline passed:Thursday March 26th, 20265:00 pm $70.00
Unless otherwise noted... Registration Dates & Times are based upon: U.S. Central Daylight Saving Time
 
Event Information
Name of Event:Chicago Lakefront Ultras Volunteer
Type of Event:Volunteer
Distance:9.00
Measurement:Hours
Date:Saturday March 28th, 2026
Start Time:7:00 am
Special Instructions:
This registration is for volunteering with our race. Responsibilities include helping with race-day activities, and assisting at aid stations. You will be prompted to enter your intentions as related to volunteering.

We appreciate your time and efforts in making our race a success within our community!
Event Registration Schedule
Opened:Monday October 6th, 20256:00 am
Deadline passed:Friday March 27th, 2026Midnight $ 0
Unless otherwise noted... Registration Dates & Times are based upon: U.S. Central Daylight Saving Time
 
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