Dog Events in Peyton, CO

Jun 13

All-Out Summer Breeze

Bring Fido out and join in a 5K, 10K or half marathon. Get ready for some fun in the sun and a great summer season kickoff. Centrally located between Denver and Boulder, the route features a wonderfully winding trail along the Van Bibber Trail.

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Jun 13

Hot Dog Days of Summer Mutt Market at Aspen Grove

Littleton, CO

Hot Dog Days of Summer Mutt Market at Aspen Grove

A dog-friendly summer market brings together local vendors, live music from a DJ, interactive activations, and family-friendly entertainment in support of Humane Society of the South Platte Valley. Guests can shop from more than 25 vendors, enjoy gourmet hot dogs and drinks, and participate in hands-on activities like a DIY pet bandana station, custom pet caricatures, and interactive games with prizes.

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Jun 13

Outdoor Summer Fest at the Outlets at Castle Rock

Castle Rock, CO

Outdoor Summer Fest at the Outlets at Castle Rock

A family-friendly community event offers an afternoon packed with entertainment, activities, and summer fun for all ages. Live music and a beer garden create a lively atmosphere while families explore games, interactive attractions, and ongoing entertainment throughout the event.

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Jun 20

Poochella - Dog Pool and Park Party

Colorado Springs, CO

Poochella - Dog Pool and Park Party

Held at their dock diving pool next to the training facility, this dog-friendly celebration promises a splash-filled day of summer fun. Pups and their people can enjoy a lively day of music, food trucks, and local vendors. Dogs can splash in pools, explore play areas, and even try dock diving. Dogs must be leashed (6 ft) and current on vaccinations. People aren't permitted in the pool, only staff.

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Jun 20, 2026

Trail Dog Run

Lyons, CO

Trail Dog Run

Hit the trails with your pup at this race during the Summer Vibes Bike Rally & Run Festival. Well‑behaved, leashed dogs lead the way on two scenic 2.5‑mile laps, with on‑course water for pups and people, and festival fun nearby. Owners run free with a paid dog registration.

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Jun 20

Pooches in the Park - Doggies & Donuts

Windsor, CO

Pooches in the Park - Doggies & Donuts

Treat your dog to a fun-filled community gathering designed for pups and their people. This social event offers opportunities for dogs to play, explore, and make new friends while owners connect with fellow pet lovers in a welcoming outdoor setting. Dogs may be off leash within designated event areas but must be leashed outside those spaces.

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Jun 21

Denver Vegan Club's Annual Summer Potluck

Denver, CO

Denver Vegan Club's Annual Summer Potluck

Owners and their leashed pets are invited to join a laid-back summer potluck in the park where the community gathers to share plant-based dishes, enjoy good company, and spend a relaxing afternoon outdoors. Guests can bring food, drinks, or snacks to contribute, along with blankets, games, and other outdoor gear for a casual picnic-style experience.

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May 8 & 29, Jun 8 & 23

Dog Days at the Cheyenne Mountain Zoo

Colorado Springs, CO

Dog Days at the Cheyenne Mountain Zoo

On select dates, well-behaved dogs can accompany their owners and enjoy the sights, sounds, and smells of the zoo! Pets in attendance must be leashed with non-retractable leashes no longer than 6', up-to-date on vaccinations, and follow behavior guidelines. One dog ticket is allowed per adult ticket. Dog Days are held on select dates; see website for details.

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Jun 27

Denver Dog Fair

Denver, CO

Denver Dog Fair

This dog-focused festival features dog adoption booths, demonstrations, and family-and dog-friendly activities and contests. You'll find canine-focused demonstrations, rescue partnerships and vendor booths to visit and shop from.

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Jul 11

All Out Dog-Days

Westminster, CO

All Out Dog-Days

Bring Fido out and join in a 1M, 5K, 10K or half marathon. Get ready for some fun in the sun and a great mid-season test of your training! Centrally located between Denver and Boulder, the route features breathtaking Flatirons backdrop along Big Dry Creek Trail, perfect for dogs who prefer soft surface areas. Also, don't miss the dog division and costume contest after the races.

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Jul 17

Pooches in the Park - Dog Days of Summer

Windsor, CO

Pooches in the Park - Dog Days of Summer

Treat your dog to a fun-filled community gathering designed for pups and their people. This social event offers opportunities for dogs to play, explore, and make new friends while owners connect with fellow pet lovers in a welcoming outdoor setting. Dogs may be off leash within designated event areas but must be leashed outside those spaces.

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Jul 18

KarmaSue’s Boogie On a Boat

Littleton, CO

KarmaSue’s Boogie On a Boat

Bring your dog to KarmaSue’s biggest fundraiser of the year, supporting Colorado families facing companion animal cancer. This event features boat-building, along with prizes, a silent auction and activities for all ages. Dogs are welcome, but please keep them leashed and be mindful of the heat.

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Jul 24–26

Annual Keystone River Run Village Art Festival

Keystone, CO

Annual Keystone River Run Village Art Festival

Leashed dogs are welcome at this annual fair that features local and national artists showcasing a diverse range of fine art, including sculptures, jewelry, woodwork, paintings wearable art and more. Visitors will have the chance to meet artists, explore their techniques, commission custom pieces, and learn about their inspirations.

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Jul 25–26

Cheesman Park Art Fest

Denver, CO

Cheesman Park Art Fest

This arts and crafts fair features 150+ juried artists and craftsmen from across the United States showcasing handmade, American-made work in a variety of mediums and price ranges. Held in a public park in July, the festival takes place on asphalt roads. Dogs are welcome but must be leashed—please consider pavement temperatures to protect their paws.

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Jun 4–Aug 6

Summer Concert Series at Boardwalk Park

Windsor, CO

Summer Concert Series at Boardwalk Park

Bring your lawn chairs, blankets, and furry friends to this weekly event featuring food trucks and live music! Check their website for the band and genre each week.

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Aug 8

All-Out Runapalooza

Arvada, CO

All-Out Runapalooza

Bring Fido out and join in a 5K, 10K or half marathon. Get ready for some fun in the sun and a great run in the summer heat. Centrally located between Denver and Boulder, the route features a wonderfully winding trail along Ralston Creek.

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Aug 8–9

Summer Vibe Market Denver

Denver, CO

Summer Vibe Market Denver

Bring Fido to this arts and crafts fair, featuring 130+ artisans, makers, and creatives each day! Enjoy live sets from female music creator DJ CYN, cocktail bars, food trucks, the Astro Coffee Van, Aura photos and an art gallery. Pets are welcome indoors—just be mindful of large crowds.

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Aug 15

Paws for a Dip

Thornton, CO

Paws for a Dip

Celebrate the end of summer with Fido at this event, where vaccinated, well-behaved dogs can splash and socialize in the City Pool after it closes to the public! The City of Thornton Parks & Recreation organizes the event and has staff on hand to manage activities.

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Aug 14–16

BoogieOnTheHill Camping & Live Music Festival

Lyons, CO

BoogieOnTheHill Camping & Live Music Festival

Well-behaved furry friends are welcome to join you for six live bands and play on a 9-hole disc golf course. There'll also be theme nights and spacious camping spots available on 35 private acres.

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Aug 22

Colorado Dog Days of Summer at Salisbury Equestrian Park

Parker, CO

Colorado Dog Days of Summer at Salisbury Equestrian Park

This family-friendly event features carnival-style games for dogs of all ages and abilities, various local pet vendors, and fun activities to delight pups and their humans. Held outdoors on soft grass with shaded areas and splash zones, it’s the perfect way to spend a summer day.

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