Course
A USATF-certified road course (IL-23027-NM) starting at Cary-Grove High School, 2208 Three Oaks Road, Cary. The organiser bills it as the most challenging course in northern Illinois. A 10K is added for 2027, accurately measured but not certified. The half marathon starts at 8:35am.
Half Marathon21.1 km
Key dates
- ✓Entries openedTue 1 Sep 2026
- ★Race daySun 14 Mar 2027
Date confirmed with the organiser · entry window checked by RunCalendar
About
The half marathon course has been dubbed the most challenging in Northern Illinois and an excellent training race for spring marathons.
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Save March Madness Half Marathon 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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