See You Next Year
2025 Race Date
September 6
Registration Opens Early April
Proud to be named
BEST RACE 2022 and 2023
by Chicago Area Runners Association
We're Back for
Year 6 on the 6th
Winner of CARA Race of the Year for two years in a row, the 2025 Hidden Gem Half Marathon will take place on Saturday, September 6th. For those of you running The Gem for the first time, we’re happy you’re here and hope you have a wonderful experience. For our returning runners, welcome back home to Flossmoor!
The Hidden Gem is a pure road race with minimal backtracks through the distinct neighborhoods of Flossmoor, IL. It’s an ideal race for both the serious and casual runner. Anyone training for the Chicago Marathon will appreciate the September timing, while those with more modest goals are sure to enjoy an entertaining run through beautiful, shady neighborhoods with cheering residents lining the route.
What else should you know about The Gem?
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Easy to get to, < 30 miles south of Chicago
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Plenty of free parking
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METRA train line service to the race
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Free beer!
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Great runner swag and medals
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One of Illinois' largest cash prize pools
The Hidden Gem shines a bright light on Chicago's South Suburbs, and fosters a sense of pride in our community. We hope you discover the energy and community spirit alive in Flossmoor … thank you for being a part of The Gem, and welcome home.
BUZZ ABOUT THE GEM
Highly recommend this race for its friendliness, organization and all the little things they do to make it special. I traveled all the way from Miami to run it and fell in love with Flossmoor.
Today's run was amazing! Great course and even better people. Throughout the entire race people were cheering us on, from the students at HF to the residents sitting out on the lawn everyone was cheering. I hope this event happens again next year. I will be there!
Loved every single aspect of the race! Great planning, amazing spectators, HF band and cheerleaders, and all ending up at Flossmoor Fest with the Hidden Gem brew at the finish. My new favorite half!
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