Course
Repeated out-and-back loops on Chicago's Lakefront Trail from the Foster Avenue Beach House: three 10.3-mile loops for the 50K and four 12.5-mile loops for the 50-mile, with aid at the start/finish each loop and an early-start option.
Key dates
- ·RegistrationNot open yet
- ★Race daySat 31 Oct 2026
About
Ultramarathon races with a multi-decades rich history run semiannually every Spring and Fall along Chicago's scenic Lakefront. The next event is the Chicago Lakefront 50/50 at the Northside Location.
Save Chicago Lakefront Ultras to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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13th Annual Halloween 5K Run/Walk
Costumed campus 5K with a pumpkin patch after
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La Carrera de los Muertos
Pilsen's Day of the Dead celebration run
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Spirits Run 5K
Winds through eerie cemeteries, finishes with a cocktail
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Rattlesnake Master Run for the Prairie
Through native tallgrass prairie near Urbana
A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.