Memorial Day Weekend marks the unofficial start of summer across Colorado, filled with outdoor events, live music, local festivals, and family-friendly activities throughout Denver, Parker, Lone Tree, Castle Pines, and Castle Rock. But beyond the celebrations and long weekend plans, Memorial Day is also a time to pause, reflect, and honor the brave men and women who gave their lives in service to our country.

Whether you are looking for meaningful memorial events, outdoor adventures, live music, local festivals, or family-friendly things to do, here are some of the best confirmed Memorial Day Weekend events happening across the Denver metro area in 2026.

---

Memorial Day Weekend Events in Denver

Outside Festival 2026

One of the biggest Memorial Day Weekend events in Denver, the Outside Festival brings together live music, outdoor recreation, wellness experiences, adventure brands, speakers, food vendors, and entertainment in the heart of downtown Denver.

Date: May 22–25, 2026
Location: Civic Center Park, Denver, Colorado

What To Do

• Attend outdoor concerts and live performances
• Explore adventure and fitness experiences
• Visit local food vendors and beer gardens
• Enjoy family-friendly outdoor activities

Officially featured by Visit Denver.

---

Red Rocks Memorial Day Weekend Concerts

Memorial Day Weekend at Red Rocks Amphitheatre is one of the most popular Colorado holiday weekend experiences, featuring major artists and unforgettable live performances.

Confirmed 2026 Concerts

• Seven Lions — May 22, 2026
• Fisher — May 23, 2026
• Alabama Shakes — May 24, 2026

Location: Red Rocks Amphitheatre

What To Do

• Experience live music at one of Colorado’s most iconic venues
• Enjoy scenic views and outdoor nightlife
• Explore nearby hiking trails before concerts

Featured on the official Visit Denver Memorial Day Weekend events guide.

---

Downtown Denver Arts Festival

The Downtown Denver Arts Festival is a popular Memorial Day Weekend tradition showcasing local artists, handmade goods, live entertainment, and food vendors.

Date: Memorial Day Weekend 2026
Location: Downtown Denver

What To Do

• Shop local art and handmade products
• Explore Denver’s creative community
• Enjoy outdoor entertainment and food vendors

---

Memorial Day Weekend Events in Parker, Colorado

Memorial Day Veterans Remembrance Ceremony

Parker’s annual Memorial Day remembrance ceremony honors fallen military heroes through a meaningful community gathering and patriotic tribute.

Date: Monday, May 25, 2026
Time: 10:00 AM
Location: Parker Cemetery

What To Do

• Attend the memorial service
• Honor veterans and military families
• Participate in patriotic remembrance activities

Official Town of Parker community event.

---

MURPH Memorial Day Challenge

The annual Memorial Day MURPH Challenge in Parker brings the community together through fitness while honoring Navy SEAL Lt. Michael Murphy.

Date: Monday, May 25, 2026
Time: 8:00 AM
Location: Parker Recreation Center

What To Do

• Join the Memorial Day fitness challenge
• Participate in community workouts
• Support military remembrance efforts

Official Parker Recreation event listing.

---

Discovery Park Play Fountain Opening Weekend

Discovery Park officially opens its popular play fountain for the summer season during Memorial Day Weekend.

Date: Saturday, May 23, 2026
Time: 10:00 AM–10:00 PM
Location: Discovery Park

What To Do

• Cool off at the interactive play fountain
• Enjoy family-friendly outdoor activities
• Spend the day at one of Parker’s most popular parks

Official Parker Recreation calendar event.

---

Memorial Day Weekend Events in Lone Tree

Southern Street Eats Sampler

This community food-focused event features local vendors, outdoor gathering spaces, and seasonal entertainment during Memorial Day Weekend.

Date: May 23, 2026
Location: Sweetwater Park

What To Do

• Try local food truck favorites
• Enjoy outdoor dining experiences
• Spend time with family and friends outdoors

Confirmed Douglas County community event listing.

---

Memorial Day Weekend Events in Castle Rock

Rock The Mountain Summer Concert Series Kickoff

Castle Rock kicks off summer with live music, entertainment, shopping, and community activities during Memorial Day Weekend.

Date: May 23, 2026
Location: Outlets at Castle Rock

What To Do

• Enjoy live outdoor concerts
• Shop local and national retailers
• Explore Memorial Day Weekend entertainment

Official Douglas County event listing.

---

Festival Park Farmers Market

The Festival Park Farmers Market is one of Castle Rock’s favorite seasonal community events featuring local produce, food vendors, handmade goods, and outdoor shopping.

Date: May 24, 2026
Location: Festival Park

What To Do

• Shop local vendors and fresh produce
• Explore artisan products and handmade goods
• Enjoy outdoor family-friendly activities

Confirmed Douglas County community listing.

---

Bonus Colorado Memorial Day Weekend Events Worth The Drive

Boulder Creek Festival

One of Colorado’s largest Memorial Day Weekend festivals, the Boulder Creek Festival features live music, food vendors, creekside activities, art booths, and family entertainment.

Date: May 22–25, 2026
Location: Downtown Boulder

---

Territory Days Festival

A longtime Colorado tradition, Territory Days features Old West entertainment, live music, food vendors, shopping, and historical attractions.

Date: May 23–25, 2026
Location: Old Colorado City, Colorado Springs

---

Final Thoughts

From meaningful remembrance ceremonies and patriotic tributes to outdoor concerts, local festivals, family-friendly events, and live entertainment, Memorial Day Weekend 2026 offers plenty of ways to spend the holiday across Denver, Parker, Lone Tree, Castle Pines, and Castle Rock.

While enjoying the long weekend and the beginning of summer in Colorado, it is also an opportunity to honor and remember the brave heroes whose sacrifice made these freedoms possible.