Saturday, January 30, 2027 · 5K · Half Marathon · Chicago, IL
F^3 Lake Half Marathon & 5k
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…
Start line: 1410 Special Olympics Drive
20 weeks to race day — get a training plan
A week-by-week plan scaled to Saturday, January 30, 2027, built around the Chicago Metropolitan run clubs on your training days — shareable by URL, no account needed.
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A 5K is twelve weeks of Saturdays away, even from the couch. Run clubs in Chicago Metropolitan →
Frequently asked
- When is the F^3 Lake Half Marathon & 5k?
- The next F^3 Lake Half Marathon & 5k is Saturday, January 30, 2027 in Chicago, IL.
- Where does the F^3 Lake Half Marathon & 5k start?
- The F^3 Lake Half Marathon & 5k starts at 1410 Special Olympics Drive in Chicago, IL.
- What distances does the F^3 Lake Half Marathon & 5k offer?
- The F^3 Lake Half Marathon & 5k offers Half Marathon and 5K.
- How do I register for the F^3 Lake Half Marathon & 5k?
- You can register for the F^3 Lake Half Marathon & 5k on RunSignup. Use the Register link above; RunVibe does not sell registrations directly.
Listed on RunSignup. Race details are the organiser’s — confirm the date and start time with them before you travel.