Get ready to celebrate St. Paddy's Day with a festive and scenic run at the Creve Coeur St. Paddy's Half Marathon, 10K, and 5K on March 14, 2026, in Maryland Heights, MO. This event, celebrating its 10th anniversary, offers runners of all levels a memorable experience around Creve Coeur Lake and its surrounding paved trails. The half marathon course extends towards the Missouri River and incorporates a section of the Katy Trail, providing picturesque views along the way. While largely flat, runners can expect gentle inclines and descents, with the main hills occurring on the approaches to the Missouri River bridge. Typical race day conditions in mid-March include highs around 57F and lows around 37F, with a 16% chance of precipitation, making for potentially crisp running weather.

Participants in all distances will appreciate the well-supported course, featuring plentiful aid stations offering both water and sports drinks for the half marathoners. The race is known for its festive atmosphere, and runners frequently praise the enthusiastic volunteers and the overall smooth organization. All finishers are rewarded with a commemorative pint glass and a shamrock cookie, while half marathon participants also receive a finisher medal. Whether you're aiming for a personal best on the flat 10K loop or enjoying the family-friendly 5K, the Creve Coeur St. Paddy's race promises a solid and enjoyable experience, culminating in a lively finish area around Sailboat Cove at Creve Coeur Park.

Beyond the race itself, this event is part of the Missouri Runs Race Series and proudly supports the ALS Association – St. Louis Regional Chapter. Live participant tracking is available through the RaceJoy app, allowing friends and family to follow your progress and send motivational cheers. Plan to arrive early and consider carpooling or utilizing shuttle services, as on-site parking at Sailboat Cove is limited. Embrace the luck of the Irish and join fellow runners for a fantastic St. Patrick's Day celebration.