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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
State:Illinois, United States
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Event Information
Name of Event:Chicago Lakefront 50k
Distance:50 Kilometers
Started Date/Time:Saturday March 25th, 2023, 8:30:29.20 am
86 Participants
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5 Checkpoints
254 Splits
Number:244
Name:Jonathan Lauff
Age:50
Sex:M
Hometown:Naperville
State:Illinois
Chip ID:058000a8b927
Gun Start Time:Saturday March 25th, 2023 8:30:29.20 am
Chip Start Time:Saturday March 25th, 2023 8:30:31.42 am
Split Calculations
CheckpointMileageTimePaceDistanceTimePace
Drop List  
Start02.2 seconds
Lap 110.3561:44:53.610:07.7
Lap 220.7123:54:49.011:20.2 10.36 2:09:55.4  12:32.7 
Finish31.069  
Event Information
Name of Event:Chicago Lakefront 1/2 Marathon
Distance:13.1 Miles
Started Date/Time:Saturday March 25th, 2023, 9:00:30.12 am
38 Participants
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3 Checkpoints
51 Splits
Event Information
Name of Event:Chicago Lakefront Buildup Run
Distance:20.71 Miles
Started Date/Time:Saturday March 25th, 2023, 9:00:30.12 am
17 Participants
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3 Checkpoints
23 Splits
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