Crystal Lake Half Marathon & 12K Crystal Lake, IL   Sep 6, 2026

WELCOME to the annual Crystal Lake Half Marathon & 12K this September!

The Half Marathon starts at Main Beach and the 12K starts just up a few yards from the half start. All finish together for the celebration at the finish line. Enjoy the sites of Crystal Lake Illinois with the start at iconic Crystal Lake Main Beach, a loop around Lippold Park, a view of the Dole Mansion, a jaunt down the Prairie Path, and finish up in downtown Crystal Lake. This point to point venue will bus runners to the START with an easy 5-minute bus ride. Inside building and beach side warm up areas are available no matter what the weather will bring. Every 1 1/2 mile are water stations. The entry fee also includes a ticket for one beer or one non-alcoholic beverage and a slice of pizza at the Smith Running Academy After Party. Age group awards for 1st, 2nd and 3rd place for the Half Marathon distance will also be given at the After Party (location TBD).