Adoption days, pack meetups, seasonal parties and everything else we throw open to the Arlington dog community. Bring the whole family — two legs and four.
Fri, Oct 23, 2026 · 9:00 PM – 10:30 PM
Rosslyn Howl-O-Ween
Gateway Park, Arlington/Rosslyn, VA
A dog-friendly Halloween celebration in Gateway Park with pet vendors and a costume contest. Swing by the Canine Cardio table before the judging!
5–6:30 PM.
Dog trick-or-treating, costume competitions, vendors and Halloween activities at Shipgarten. Canine Cardio will be there — bring your ghouls and gourds (the four-legged kind too).
1–6 PM.
Fri, Oct 30, 2026 · 10:00 PM – Sat, Oct 31, 2026 · 1:00 AM
Canine Cardio's 6th Annual Howl-O-Ween Party
Canine Cardio, 2709 S Oakland St, Arlington, VA
It's almost time for our 6th Annual Howl-O-Ween Party! 🎃🐾
Join us for an evening where pups and their people can enjoy some Halloween fun together, including interactive activities, spooky photo opportunities, and plenty of chances to show off those costumes 👻
And of course, the night wouldn't be complete without our Dog Costume Contest at 7:30 PM! 🏆🐶 The contest is open to pups who want to compete for one of our top 4 prizes, with a $15 entry fee.
🥇 1ST PLACE – GRAND PRIZE
• Free Foundation Full Day
• Free Ultimate Enrichment Add-On
• Canine Cardio Hoodie
• Halloween Dog Goodie Bag
• 1st Place Custom Champion Trophy
🥈 2ND PLACE – VIP PUP
• Free Foundation Half Day
• Free Explorer Enrichment Add-On
• Canine Cardio T-Shirt
• Halloween Dog Goodie Bag
• 2nd Place Custom Ribbon
🥉 3RD PLACE – PAMPERED PUP
• Free Spa Day
• Canine Cardio Merch (hat or fanny pack)
• Halloween Dog Goodie Bag
• 3rd Place Custom Ribbon
🏅 4TH PLACE – EXPLORER
• Free Explorer Enrichment Add-On
• Canine Cardio Merch (hat or fanny pack)
• Halloween Dog Goodie Bag
• 4th Place Custom Ribbon
Friday, October 30 • 6–9 PM
Start putting those costume ideas together… we want to see what you've got! 🎃🐾
Rescheduled to Sunday, November 1! The big AWLA animal festival in Old Town Alexandria — vendors, activities, adoptable animals and more. Find the Canine Cardio booth and come say hi!
11 AM–4 PM • Family- and dog-friendly.
Want to throw your own event at Canine Cardio, or team up with us on a fundraiser, pop-up, rescue event or community meetup? Tell us what you have in mind and our events team will reach out. You can also email us directly at community@caninecardio.com.