18th Annual F^3 Lake Half Marathon & 5k – Chicago, IL 2027
Date
January 30, 2027
Location
Chicago, IL
Venue
1410 Special Olympics Drive
Start Time
10:01 AM
Entry Fee
$38.00 – $125.00
Events
Half Marathon, 5k
Includes
Where will you pick up your packet?
The 18th Annual F^3 Lake Half Marathon & 5k is Chicago's Original Winter Half Marathon. Each year, thousands of runners flock to this community-built event, gathering in the warmth of Soldier Field's United Club before tackling wind & weather along a lakefront course that features splits every 5km. A must for anyone preparing for a spring marathon or just resolving to stay fit throughout the new year. F^3 sold out in 2016-2020 and 2023-present. Every registrant will once again receive one of our great hoodies and a medal! We will return to the warm confines of Soldier Field's United Club! The UC opens at 8 a.m. Gear check is available. The half marathon starts at 10:01 a.m. and consists of self-seeded waves in quick succession. The 5k is scheduled for 10:29 a.m. Courses close at 1:30 p.m. After the race, head to Weathermark Tavern for the afterparty! 1503 S. Michigan Ave . Free participant photos are always uploaded to flashframe.io
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