St. Paddy's 5K/10K

Get ready to paint Portsmouth green at the festive St. Paddy's 5K/10K, set for Sunday, March 15, 2026! This beloved Irish-themed race invites runners to kick off St. Patrick's Day celebrations with a fast and flat course winding through the scenic Pease Development Authority in Portsmouth, NH. Whether you opt for the single-lap 5K or the double-loop 10K, both distances promise an excellent opportunity for a personal best on paved roads. The start and finish lines are conveniently located right at Paddy's American Grille, which serves as the hub for all race day excitement.

Runners consistently praise the St. Paddy's 5K/10K for its vibrant atmosphere and well-organized production. You'll find ample parking nearby and a smooth bib pick-up process on race day, ensuring a stress-free start. Typical race day conditions in mid-March feature crisp highs around 43°F and lows near 25°F, with a 16% chance of precipitation, offering invigorating running weather. After crossing the finish line, celebrate your accomplishment with complimentary digital race photos and finisher video.

The post-race festivities are a highlight, inviting all participants to an lively party and beer garden hosted at Paddy's American Grille, where those 21 and over can redeem a Sam Adams beer ticket. Replenish your energy with a variety of post-race refreshments, including water, fresh bananas, and yogurt. With its reputation as a "solid event" and a course perfect for speed, the St. Paddy's 5K/10K is more than just a race; it's a spirited community celebration to embrace the luck of the Irish.