The Johnson County Fair has been held for over 183 years. The fair first started in 1838 on the property at Martin Place in Franklin. The current fairgrounds location at 144 and US 31 was purchased by the county in 1888. The fair has been there ever since - in the heart of Franklin, Indiana.

The Carmel Marathon Weekend returns for its 15th year in 2025. One of the top Boston Marathon qualifying events, the Carmel Marathon is known for fast times and ideal conditions.

Rock the Block is a 10K (timed), 5K walk/run (family-friendly), and a free Kids Run on April 26, 2025. The event includes scenic courses, food, music, vendors, awards and giveaways-guaranteeing fun for everyone! Proceeds benefit organizations serving youth and families of Johnson County and the Center Grove School Corporation.

While each IMS Fan Fest will offer a unique experience, fans can expect attractions like race cars on display, pit stop demos, special guest appearances, and a variety of other activations and giveaways.