17th Annual F^3 Lake Half Marathon & 5k

Name: 17th Annual F^3 Lake Half Marathon & 5k
Start: 2026-01-31T16:00:00+00:00
End: 2026-01-31T20:00:00+00:00
Location: 1410 Special Olympics Drive, Chicago, IL 60614, US

Running
Half Marathon
5k

1410 Special Olympics Drive, Chicago, IL 60614, US

Saturday, 1/31/2026 at 4:00 PMh until 8:00 PMh

About the Event

17th Annual F^3 Lake Half Marathon & 5k

January 31, 2026

Chicago's Original Winter Half Marathon! This community-built event gathers runners at Soldier Field's United Club before a lakefront course with 5km splits. A great event for spring marathon training or staying fit in the new year. F^3 sold out in 2016-2020 and 2023-present. Every registrant receives a hoodie and medal!

Events:

Half Marathon: $60, 10:00AM CST - 2:00PM CST
5k: $45, 10:30AM CST - 11:30AM CST

Event Location: 1410 Special Olympics Drive Chicago, IL 60614 US

Packet Pick Ups:
Various dates and locations in January 2026 (see website for details)

Post-Race: Weathermark Tavern afterparty at 1503 S. Michigan Ave.

Results:
2024 Results: https://www.athlinks.com/event/129578/results/Event/1069523/Results
2025 Results: https://www.athlinks.com/event/129578/results/Event/1082900/Results