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Chicago winter half marathon start time and location

Refunds & Transfers

There are NO refunds, transfers or deferment options for the Half Marathon or 5K.

Additionally, we are unable to retroactively apply any discount codes to your registration.

 Change Distances

To change your registration distances, use the instructions here.

Baby Strollers & Pets

No baby joggers, strollers, pets, bicycles, skateboards or other wheeled vehicles are permitted during the race.


The F3 Lake Half Marathon and 5k races take place in January in Chicago. Expect wintery conditions. Safety is our priority.

Please stay tuned to our Facebook page for weather updates. There may be delays due to extreme weather – please listen to the announcer for updates.

F3 Events works closely with the City of Chicago and reserves the right to cancel/re-schedule the event in dangerous weather. Please note that your registration is non-refundable.

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