Saturday, Mar 13 · Katy
Lucky Charm
“Remember to wear green so you don’t get pinched, or make sure to run fast enough!”
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Affiliate disclosureTexas has 14 upcoming St. Patrick's Day races on the RunSignup calendar between Mar 1 and Mar 25, 2027, in 11 cities: shamrock runs, lucky 5Ks and leprechaun dashes. The busiest weekend is Mar 13 with 7 races, and 7 races are on St. Patrick's weekend (Mar 12 to Mar 14). Austin (2), Fort Worth (2) and San Antonio (2) host the most. 14 include a 5K, 12 a 10K and 10 a half marathon. Current RunSignup entry fees run $22 to $50. Registration is open for 14.
Last updated Nov 12, 2026. Race data from RunSignup, refreshed every morning. Always confirm details on the official race page.
Racing in March? Browse 5Ks in Texas and 10Ks in Texas. More holiday runs: Halloween races, turkey trots, Veterans Day races, Christmas races, New Year's races, Valentine's Day races.
Every Texas race on RunSignup with a St. Patrick's, shamrock, lucky, leprechaun or Irish name between Mar 1 and Mar 25, 2027, grouped by weekend and region. Virtual-only listings aren't included. Fees are the current RunSignup price tier for the cheapest adult in-person entry (or the first tier, if registration hasn't opened), before processing fees. "Wear green" means the organizer's own description mentions wearing green, costumes or festive attire; "Kids' event" means a kids' race is listed on RunSignup, and "Mentions kids" that the description mentions kids or children.
Fort Worth · from $22
Seabrook · from $50 until Jan 1
Sugar Land · from $22
San Antonio · from $22
Austin · from $30
Fort Worth · from $30
The Colony · from $40 until Feb 27
Houston · from $30
San Antonio · from $30
Registration links go to RunSignup; Lone Star Strides may earn a referral commission at no cost to you. Races are matched by name, so a March race without a St. Patrick's name won't be listed here.
6 races mention wearing green, costumes or festive attire in their RunSignup description. In the organizers' own words:
Saturday, Mar 13 · Katy
“Remember to wear green so you don’t get pinched, or make sure to run fast enough!”
Saturday, Mar 13 · Roanoke
“Dogs and people are welcome and encouraged to wear green for St Patrick's Day.”
4 races, same listing text
“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!”
5Ks and fun runs. 14 of the 14 races include a 5K, and many add a one-mile fun run or kids' dash. See all 5Ks in Texas.
Half marathons and marathons. 10 races include a half marathon or marathon, including Time to Paddy 5K/10K & Lucky 13.1 - Austin (Mar 6, Austin), Time to Paddy 5K/10K & Lucky 13.1 - Fort Worth (Mar 7, Fort Worth), Seabrook Lucky Trails (Mar 12, Seabrook) and Time to Paddy 5K/10K & Lucky 13.1 - Houston (Mar 13, Sugar Land). Compare them with every half marathon in Texas.
Virtual options. 12 races also offer a virtual entry, handy if you're traveling.
Texas has 14 upcoming St. Patrick's Day races on the RunSignup calendar between Mar 1 and Mar 25, 2027, in 11 cities: shamrock runs, lucky 5Ks and leprechaun dashes. The busiest weekend is Mar 13 with 7 races, and 7 races are on St. Patrick's weekend (Mar 12 to Mar 14). Austin (2), Fort Worth (2) and San Antonio (2) host the most. 14 include a 5K, 12 a 10K and 10 a half marathon. Current RunSignup entry fees run $22 to $50. Registration is open for 14.
Current RunSignup entry fees for the races on this page run $22 to $50, before processing fees, counting each race's cheapest adult in-person entry. Many raise the price in tiers as race day gets closer, so registering early is cheaper. Each race page shows every tier and when it ends.
6 races on this page mention wearing green, costumes or festive attire in the organizer's own listing, including Lucky Charm (Mar 13, Katy), Lucky Labrador 5K and Leprechaun Fun Run (Mar 13, Roanoke), St. Paddy's Day Lucky Run 5K/10K/13.1 AUSTIN/ROUNDROCK (Mar 20, Austin), St. Paddy's Day Lucky Run 5K/10K/13.1 DALLAS FORT WORTH (Mar 20, Fort Worth), St. Paddy's Day Lucky Run 5K/10K/13.1 HOUSTON (Mar 20, Houston) and St. Paddy's Day Lucky Run 5K/10K/13.1 SAN ANTONIO (Mar 20, San Antonio). Read each race description for the organizer's details.
7 races list a kids' event on RunSignup. In all, 7 races either list a kids' event or mention kids in the description, including Time to Paddy 5K/10K & Lucky 13.1 - Austin (Mar 6, Austin), Time to Paddy 5K/10K & Lucky 13.1 - Fort Worth (Mar 7, Fort Worth), Seabrook Lucky Trails (Mar 12, Seabrook), Lucky Charm (Mar 13, Katy) and Time to Paddy 5K/10K & Lucky 13.1 - Houston (Mar 13, Sugar Land). Age rules and whether children need a separate entry vary, so check the race page before you register.
They're spread across Austin & Hill Country (2), Dallas–Fort Worth (6), Houston & Gulf Coast (4) and San Antonio & South Texas (2).

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