Shamrock 5K Run/Walk

Like Running or Walking? Love Wine? This race is for you!

Join us on Saturday, June 13, 2026 at 9:00am for an fun event that features the amazing scenery and landscape of Corteau Vineyards! Come join us at a haven where the art of wine and the beauty of nature come together in perfect harmony. So, whether you are looking to run, walk or just enjoy the wine this race is a sure thing for a great time and an incredible experience! Check out their wine list here! This race is timed and scored by J3 Timing. Results will be posted at www.J3Timing.com.

Registration Includes:

• T-shirt: Super Soft Ring Spun Cotton t-shirt included!

• Wine Glass: Shatterproof, Collapsible, and Portable!

• Finisher Medal: Doubles as a Wine Stopper!

• Race Bib: Chip timed 5k run/walk

• Results Posted Online

• ...and of course, a pour of wine!*

2026 Cal Tri DC - 6.14.26. Combine a trip to the nation's capitol with a race venue just 30 miles south of Washington DC in Maryland's General Smallwood State Park.

18 EVENT OPTIONS. 6 Olympic distance events (Triathlon, RunBikeRun, SwimBike, SwimRun, 1640 Yard Swim & 10K Run), 6 Sprint distance events (Triathlon, RunBikeRun, SwimBike, SwimRun, 400 yard Swim & 5K Run) and 6 Youth Sprint distance events (Triathlon, RunBikeRun, SwimBike, SwimRun, 400 yard Swim & 5K Run). Triathlon = swim + bike + run. Typically, the swim and run distances are standard but the bike distance varies from race to race. Check out the course maps for more detailed information.

TO DO. Smithsonian National Museum of Natural History. National Museum of African American History and Culture. US Capitol.

AIRPORT. Ronald Reagan Washington National (DCA)

AIR TEMPERATURE (AVG). 64 F / 86 F

WATER TEMPERATURE (AVG). 82 F. Wetsuit allowed with no results. Use the 20% CALTRI2025 discount code at blueseventy. Note: Fusion wetsuits not eligible for discount.

Skate of the Union® Festival is the premier all-skating weekend in the Washington, DC area that has skating activities for all ability levels from beginner clinics and demos to competitive races.

Celebrate Olympic Day at Skate of the Union® Festival either in person or virtually! From May 15-July 15, millions of people in more than 160 countries will celebrate Olympic Day commemorating the birth of the modern Olympic Games (June 23, 1894). Olympic Day’s mission is to promote fitness, well-being, culture and education, while promoting the Olympic values – excellence, friendship and respect – and the three Olympic Day pillars – move, learn and discover – in every corner of the globe.

Please visit the event website at https://www.skateoftehunion.org for the details of all events during the 23rd Edition of the Skate of the Union® Festival weekend.

Continue here to register for the Skate of the Union® Festival Races (Half Marathon or Rollerblade® 10K Challenge) on Sunday, June 21, 2026.

IMPORTANT NOTE: If you pre-paid for Skate Camp DC, your Half Marathon registration is included. Please be sure to use your discount coupon upon checkout.

Join us for the Dirty Lion Mud Run, a challenging 4 Mile Mud Run that includes obstacles, mud holes, trails, and more. Kids, there's a race for you too! This is the Dahlgren Lions Club’s biggest fundraiser to help us provide eye exams, glasses, hearing exams, hearing aids, scholarships, and more. As part of Lions Clubs International, WE SERVE our local community, and your support makes that possible. Get MUDDY for a ROARING great cause!

Team Information

Bring your team to the Dirty Lion Mud Run and get MUDDY in the 4-mile Dirty Lion Team Challenge for a chance to WIN a team award!. Create a team and invite friends, families, co-workers, church members, and any members from other special organizations to join you.

If you want to create a team, start by clicking the SIGN UP button, and choose the 4-Mile Dirty Lion Mud Run event. You will be asked if you would like to "Join or create a team". Choose "yes" and "continue". After you read and sign your waiver, you will see a button that reads, "Create a New Team". Anyone you invite to join your team will click the button that reads, "Join an existing team".

If you don't want to create or join a team, no worries! Just click the button that reads, "No team". It's that's easy!

For those who want to participate in the Team Challenge there are three team levels to choose from with two awards at each level.

Largest Team Challenge: for groups with 21+ participants

• Most team members

• Best team outfits

Medium Team Challenge: for groups with 11 to 20 participants

• Most team members

• Best team outfits

Smallest Team Challenge: for groups with less than 10 participants

• Most team members

• Best team outfits

If you are ready to create a team, click the SIGN UP button to get started!

Set in the bucolic riverside town of Colonial Beach, VA this race is fast and fun. Easy to get to from Richmond, Baltimore and DC Colonial Beach is a great race-cation destination! After a Potomac River swim, cyclists will be treated to stunning seaside and farmland views on well paved roads. Upon return to the beach, athletes will embark on a flat, paved, waterfront run course with some of the best views on the East Coast. This is a fun town to race in with many activities and restaurants to explore, click HERE to learn more and plan your stay. Check out this race video HERE and then register below!

Note updated date for 2026! - Sunday June 28, 2026