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Race Information
Race Name:Chicago Lakefront Ultras 50K and Half Marathon - George Cheung Memorial
Location:Chicago - Jackson Park
State:Illinois, United States
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Event: Chicago Lakefront 50K (50.00 Kilometers)
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CheckpointMileageParticipants
Reported		Minimum Delay
between Split		Start
Finish
Drop List
Repeating Lap		Alternate
Key
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Drop List0  D 
JP Beach Start095  S 
North Turnaround 15.178116 25:53  
JP Beach Lap 110.356120 25:53  
North Turnaround 215.534119 25:53  
JP Beach Lap 220.712114 25:53  
North Turnaround 325.89117 25:53  
JP Beach Finish31.069119 25:53 F 
Include "Display Results" for this Event under "Results" tab.
Event: Chicago Lakefront Buildup Run (20.71 Miles)
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CheckpointMileageParticipants
Reported		Minimum Delay
between Split		Start
Finish
Drop List
Repeating Lap		Alternate
Key
Include "SpreadSheet" for this Event under "Webcast" tab.
Drop0  D 
JP Beach Start07  S 
North Turnaround 15.1786 25:53  
JP Beach Lap 110.3568 25:53  
North Turnaround 215.5346 25:53  
JP Beach Finish20.7127 25:53 F 
Include "Display Results" for this Event under "Results" tab.
Event: Chicago Lakefront Half Marathon (13.10 Miles)
Select
CheckpointMileageParticipants
Reported		Minimum Delay
between Split		Start
Finish
Drop List
Repeating Lap		Alternate
Key
Include "SpreadSheet" for this Event under "Webcast" tab.
JP Beach Start061  S 
JP Beach Lap 12.75369 11:00  
North Turnaround7.93168 25:53  
JP Beach Finish13.10970 25:53 F 
Include "Display Results" for this Event under "Results" tab.
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Event Information
Name of Event:Chicago Lakefront 50K
Distance:50 Kilometers
Started Date/Time:Saturday March 28th, 2026, 8:38:50.91 am
138 Participants
button: Assign Numbers
8 Checkpoints
800 Splits
Event Information
Name of Event:Chicago Lakefront Buildup Run
Distance:20.71 Miles
Started Date/Time:Saturday March 28th, 2026, 8:38:50.91 am
13 Participants
button: Assign Numbers
6 Checkpoints
34 Splits
Event Information
Name of Event:Chicago Lakefront Half Marathon
Distance:13.1 Miles
Started Date/Time:Saturday March 28th, 2026, 9:10:00.82 am
75 Participants
button: Assign Numbers
4 Checkpoints
268 Splits
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