Lace up your running shoes and paint the town green at the iconic St. Patrick's Day Parade Run in St. Louis, MO, on Saturday, March 14, 2026! This festive event, a cherished annual tradition and "rite of spring," offers runners a choice between a challenging 5-mile course or a spirited 5K, winding through the heart of downtown and midtown St. Louis. As one of the largest events of its kind in the area, attracting over 5,000 participants, it boasts a reputation as one of the top running events in the country, known for its vibrant atmosphere and commitment to local charities. Typical race day conditions in mid-March often bring crisp air with highs around 56°F and lows near 37°F, alongside a mere 15% chance of precipitation, creating ideal running weather to kick off your St. Patrick's Day celebrations.

The road course, described by runners as one of the most interesting in St. Louis, features some gentle hills and offers captivating views of the city's high-rise downtown skyline. What truly sets this race apart is its unique position as the grand prelude to the famous St. Patrick's Day Parade. Thousands of spectators line the streets, creating an electrifying atmosphere as you race through the city, often seeing participants dressed in festive green and even some unofficial beer hand-offs along the route. The celebratory energy is palpable, propelling runners toward the finish line just before the spectacular parade, recognized as one of the nation's best, with marching bands, elaborate floats, and giant balloons taking over the streets.

Beyond the exhilarating run and festive ambiance, your participation supports a worthy cause. Organized by the St. Louis Metropolitan St. Patrick's Day Parade and Run Committee, an all-volunteer charitable organization, this event has raised tens of thousands for St. Louis area charities over its long history. All registrants receive a commemorative event t-shirt and a coveted finisher medal, making for a memorable experience and a perfect start to your St. Patrick's Day.