Lace up your greenest gear and get ready to shamrock and roll at the annual Mystic Irish 5K, set for Saturday, March 21, 2026, in picturesque Mystic, CT. This certified 5K course promises a delightful journey through the heart of Downtown Mystic, offering runners scenic views as it winds along the tranquil River Road and the banks of the beautiful Mystic River.

The Mystic Irish 5K is renowned for its festive St. Patrick's Day weekend atmosphere, making it a beloved annual tradition for both local and visiting runners. Participants are encouraged to embrace the Irish spirit by sporting their most creative costumes or green attire, adding to the vibrant community celebration. The race often kicks off a weekend of merriment, with race winners even earning the special opportunity to march in the subsequent Mystic Irish Parade. For families, a children's fun run is also available, ensuring everyone can join in the festivities. Start and finish lines, along with registration, are conveniently located at St. Mark's Episcopal Church on Pearl Street.

Runners consistently praise the Mystic Irish 5K for its "wonderful" organization and "amazing race crew," contributing to a memorable experience. Typical race day conditions in late March include crisp highs around 48F and lows near 32F, with a low 10% chance of precipitation, providing ideal running weather. Whether you're chasing a personal best or simply soaking in the charming New England scenery, the Mystic Irish 5K offers a spirited and engaging start to your St. Patrick's Day celebrations.