Clinton Historic Half Marathon & 5K

Lace up your running shoes for the 10th Annual Clinton Historic Half Marathon & 5K on June 13, 2026, in the charming town of Clinton, Missouri! This event offers runners the choice of a 13.1-mile half marathon or a 3.1-mile 5K, both kicking off from the scenic Clinton Square downtown, near the Gazebo. The course is designed to be generally fast and flat, guiding participants past a variety of historical landmarks including the Anheuser-Busch building, Artesian Park, and the picturesque downtown square. The route blends quiet residential streets, park paths, and a section of the gravel Katy Trail, offering a scenic journey through the heart of Clinton. Be prepared for a few short, steep hills towards the final mile of the half marathon, adding a challenging finish to an otherwise accessible course.

Runners can expect well-supported aid stations throughout the course, providing water and Gatorade, manned by motivating volunteers. The half marathon features a generous 4-hour time limit, ensuring walkers and runners alike have ample time to complete the distance. Typical race day conditions in mid-June include highs around 83°F and lows around 63°F, with an 18% chance of precipitation, so plan accordingly for potential warmth and humidity. All participants will receive a soft cotton race shirt and a beautiful finisher's medal, with half marathoners also getting a personalized bib number.

Beyond the race, the Clinton Historic Half Marathon & 5K offers more than just a challenging run. It's a proud member of the Hometown Half Series, giving runners the chance to earn an additional medal by completing five of the seven series races. Cash prizes of $200 are awarded to the overall male and female winners of the half marathon, along with age group awards. What truly makes this race special is its charitable heart, with all proceeds benefiting Big Brothers Big Sisters of Henry County, ensuring your strides support a great cause in the community.