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July 26th, 2026
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Race webcasting is attempted by race directors and their support staff. Please remember that conditions under which they're working may make it difficult to post timely webcast updates... your interest and patience is appreciated!
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 Information
Name of Event:Chicago Lakefront 50K
Distance:50 Kilometers
Started Date/Time:Saturday March 28th, 2026, 8:38:50.91 am
138 Participants
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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
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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
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4 Checkpoints
268 Splits
Number:429
Name:Mark Dornak
Age:52
Sex:M
Hometown:Katy
State:Texas
Chip ID:058002ab5509
Gun Start Time:Saturday March 28th, 2026 9:10:00.82 am
Split Calculations
CheckpointMileageTimePaceDistanceTimePace
JP Beach Start0  
JP Beach Lap 12.753  
North Turnaround7.931  
JP Beach Finish13.1091:57:54.08:59.6
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