RunRace USA › Illinois › The Hidden Gem Half Marathon 2026
The Hidden Gem Half Marathon 2026
Flossmoor, Illinois · Saturday, September 12, 2026 · Half Marathon
Official race page & registration ↗The Hidden Gem Half Marathon 2026 takes place on Saturday, September 12, 2026 in Flossmoor, Illinois. The race is run over Half Marathon. For anyone travelling in, Chicago is about 21 miles away.
It is one of 245 races on the Illinois calendar that September.
- Date
- Saturday, September 12, 2026
- Location
- Flossmoor, Illinois
- Distances
- Half Marathon
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Flossmoor: check in Sep 11, out Sep 13.
Common questions
When is The Hidden Gem Half Marathon 2026?
The Hidden Gem Half Marathon 2026 is scheduled for Saturday, September 12, 2026.
Where is The Hidden Gem Half Marathon 2026 held?
The Hidden Gem Half Marathon 2026 is held in Flossmoor, Illinois. It is about 21 miles from Chicago.
What distances does The Hidden Gem Half Marathon 2026 offer?
The listed distances are Half Marathon.
How do I register for The Hidden Gem Half Marathon 2026?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
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- Sep 124sta HikeIllinois City, IL
- Sep 129/11 Heroes Run - Chicago, IllinoisSouth Barrington, IL
- Sep 12Albion Artisan Brick RunAlbion, IL
- Sep 12Ana Banana 5k & Fun RunMorton Grove, IL
See every race on the Illinois calendar, Illinois Half Marathons, or use the Race Finder for maps and filters.