Houston, Texas (United States of America) - "St. Paddy's Day Lucky Run 5K / 10K / 13.1 Houston". St. Paddy's Day Run: Luck, Laughs, and Laces! Celebrate St. Patrick’s Day with a fun and festive run that’s as much about the spirit of the holiday as it is about the finish line! Whether you're running, walking, or just along for the ride, this 5K/10K/13.1 is the perfect way to enjoy the day with friends, family, and fellow revelers. Dress up in your favorite green gear — shamrocks, leprechaun hats, and everything in between — and join us for a race full of fun and good cheer! https://runsignup.com/Race/TX/Houston/StPaddySDayLuckyRun5K10KHOUSTON?aflt_token=Nktw0AUB3nF4FPeh7Y7AWqQewFdw9sGt

Philadelphia, Pennsylvania (United States of America) - "Philly Shamrock Run". A St. Patrick's Day Celebration Like No Other. Join us on March 14, 2026 as we bring back 5K racing to Philadelphia for a St. Patrick's Day celebration. Our St. Patrick's 5K race in Philadelphia, PA, features a free beer (21+), music, and a finish line festival. Proceeds from this event will benefit the Philadelphia Zoo. All will receive a finisher's medal and custom race t-shirt. www.phillyshamrockrun.com

Asheville, North Carolina (United States of America) - "New Belgium Asheville Marathon & Half". The New Belgium Asheville Marathon & Half is back for 2026, celebrating Asheville's resilience with a course that highlights the city's best historic neighborhoods, lively downtown streets, the colorful River Arts District, and scenic miles along the French Broad River Greenway. The half marathon is USATF certified, and the marathon will be recertified and sanctioned before race day as a Boston-qualifying event. https://ashevillemarathon.com

Georgetown, South Carolina (United States of America) - "Historic Georgetown Bridge2Bridge Run". The 13th Annual Historic Georgetown Bridge2Bridge Race is designed to ignite community spirit and drive meaningful change in our Georgetown community. As a signature fundraising initiative for Friendship Place, a local nonprofit organization dedicated to helping neighbors within the community overcome barriers related to poverty, food insecurity, childhood literacy, housing instability, and other challenges, we offer a diverse lineup of events, including certified races which includes a Half Marathon, 12K, 5K, and uncertified Free Kids Fun Run. We welcome participants of all ages and skill levels. www.bridge2bridgerun.com

Columbia, Illinois (United States of America) - "American Bottoms 100". This is a unique road ultra on a beautiful course, following the Mississippi River as you run through the historic American Bottom. Race headquarters is in Columbia, Illinois, just outside of St. Louis, Missouri. The race offers a 110-mile and a 55-mile option. The course will loosely follow the American Discovery Trail and the Kaskaskia-Cahokia Trail, Illinois' first road. You’ll watch the sun rise over the Illinois bluffs while running on levees and deserted backroads, from Columbia to the confluence of the Kaskaskia and Mississippi Rivers. You’ll make your way through many historic sites, including Piggott's Fort, Fort de Chartres, and the town of Prairie du Rocher. This is a flat and fast course with generous cut-off times, plenty of aid stations, and a friendly atmosphere. It will make a great first hundred miler or a chance for you to set a new personal record at this distance. So, if you're interested in a no-frills ultra with a low entry fee, then come test yourself this spring on the American Bottom. The 110-mile race starts at 6:00 a.m. on Saturday, March 21st, 2026 and finishes at 4:00 p.m. on Sunday, March 22nd, 2026, with a 34-hour cut-off, 18:32 minute-per-mile pace, 1,400 feet of elevation gain total, out-and-back course, 76% levees and 24% hardball road, and 17 aid stations. The 55-mile race starts at 7:00 a.m. on Saturday, March 21st, 2026 and finishes at 10:00 p.m. the same day, with a 15-hour cut-off, 16:21 minute-per-mile pace, 700 feet of elevation gain total, point-to-point course, 76% levees and 24% hardball road, and 8 aid stations. https://americanbottoms100.com