Lace up for a festive journey through history at the Florissant St. Patrick's Day 5K on Sunday, March 15, 2026, in charming Florissant, Missouri. This spirited 5K run/walk, which will be celebrating its 5th annual event, invites participants to experience the city's vibrant heritage, famously known as the initial location for the first St. Patrick's Day Parade. The course winds through scenic Old Town Florissant, showcasing its beautiful history while offering a bit of a challenge for runners.

The Florissant St. Patrick's Day 5K is more than just a race; it's a cornerstone of a larger community celebration, including a lively parade and festival, embodying Florissant's rich tradition as a "city of festivals". Runners can expect typical race day conditions with highs around 57°F and lows around 38°F, with a 16% chance of precipitation, creating a brisk and invigorating atmosphere. Whether you're aiming for a personal best or simply soaking in the festive spirit, this family-friendly event promises a memorable start to your St. Patrick's Day celebrations, even offering a Leprechaun Dash for younger participants.