Estes Park Duck Race Festival – May 2 – Estes Park, CO 

Thousands of rubber ducks, one river, and a surprisingly intense level of competitive energy. The Estes Park Duck Race Festival turns a peaceful mountain town into a floating battleground of tiny plastic athletes, all racing for charity and glory. It’s wholesome, it’s chaotic, and it’s the only time you’ll find yourself emotionally invested in a numbered duck named Gary.

Fort Lupton Heritage Fair – May 2 – South Platte Valley Historic Park, Fort Lupton

Step into Colorado’s past without giving up modern comforts. The Heritage Fair brings together blacksmithing, live demos, and enough old-school charm to make you briefly consider churning your own butter. It’s history, but make it interactive.

Cinco de Mayo Festival – May 2-3 – Civic Center Park, Denver

One of Denver’s biggest cultural celebrations returns with live music, dancing, food vendors, and a whole lot of energy. Expect packed crowds, incredible performances, and enough tacos to completely derail your weekend plans in the best way possible.

Chalk Vines & Lines – May 2-3 – Aurora

Street art meets wine culture in a festival that’s equal parts creativity and casual day drinking. Watch artists transform pavement into full-blown masterpieces while you sip something local and pretend you could totally do that too.

Royal Gorge Rodeo – May 2-3 – Canon City 

Set against the rugged backdrop of Cañon City, the weekend pulls in seasoned riders and rising talent alike, all chasing eight seconds of glory while the crowd leans all the way in. Between events, expect food vendors, cold drinks, and plenty of people who look like they were born knowing how to handle a horse. 

Madama Butterfly – May 2-10 – Ellie Caulkins Opera House

Tragic, stunning, and emotionally devastating in the way only opera can deliver. Madama Butterfly is a full sensory experience, from the sweeping score to the intricate staging. Bring tissues, even if you think you won’t need them.

Zikr Dance Ensemble Presents RUNES – May 3 – Bas Bleu Theater, FoCo

A hypnotic blend of mythology, movement, and visual storytelling. RUNES leans into the mystical, pulling inspiration from ancient symbols and legends, then translating them into something modern and mesmerizing on stage.

Civic Center EATS – May 13-Oct 15 – Civic Center Park 

Your weekday lunch just got a serious upgrade. Civic Center EATS turns the park into a rotating lineup of food trucks, live music, and mid-day sunshine. Office lunch breaks will never emotionally recover.

Jaume Plensa: A New Humanism – May 1- Sept7 – Denver Botanic Gardens

Massive, contemplative sculptures meet lush garden landscapes in this striking outdoor exhibit. Plensa’s work invites you to slow down, look closer, and maybe question your entire existence for a second… then go smell a flower.

Denver Fashion Week – May 1-9 – Furniture Row Showroom, Denver 

High fashion meets… sectionals? Denver Fashion Week returns with a lineup of emerging designers, bold collections, and runway moments that prove this city knows how to show up. This year’s venue, the American Furniture Warehouse showroom, adds an unexpected twist, trading traditional catwalk vibes for something a little more unconventional. 

Hadestown – May 5-10 – Buell Theatre, Denver

A reimagining of the Orpheus and Eurydice myth that somehow makes heartbreak sound incredible. Hadestown mixes folk, jazz, and blues into a hauntingly beautiful story that sticks with you long after the curtain drops. 

Paper Fashion Show – May 7 – Stockyard Event Center

Designers take “paper thin” to a whole new level at this wildly creative runway event. The Paper Fashion Show features fully wearable designs made entirely from paper, transforming an everyday material into something dramatic, intricate, and occasionally gravity-defying. It’s equal parts fashion show and art installation, with a heavy dose of “how did they even do that?”

Venardos Circus – May 15-22 – The Promenade Shops at Centerra, Loveland

A modern circus with vintage charm. Venardos Circus brings acrobatics, comedy, and that nostalgic big-top magic. It’s a more intimate experience than the massive arena shows, which means you’re close enough to actually feel the energy, and maybe question a few of your own life choices while watching someone casually defy gravity.

Denver Colfax Marathon – May 16-17 – Colfax Ave, Denver

Whether you’re running it or just cheering from the sidelines with coffee and questionable judgment, the Colfax Marathon is a full-city event. The course winds through some of Denver’s most iconic neighborhoods, bringing out a mix of elite runners, first-timers, and people who absolutely did not train enough but are committed anyway.

Mountainfilm In Telluride – May 21-25 – Telluride

Films, ideas, and mountain-town magic collide. Mountainfilm is where adventure meets activism, with documentaries that will either inspire you to change your life or at least go outside for a bit. The lineup ranges from adrenaline-fueled expeditions to deeply human stories that stick with you long after the credits roll, all paired with panels, speakers, and a crowd that actually cares about what they’re watching.

Denver Arts Festival – May 23-24 – Central Park, Denver 

Local artists, live music, and a laid-back park setting make this one of the easier ways to spend a spring weekend. The Denver Arts Festival brings together a wide range of creators, from painters and sculptors to jewelry makers and mixed media artists, all showcasing work that’s as varied as the city itself.

Yacht Rock Patio Kick-Off & Tapping Party – May 15 – Boulder Social 

Come celebrate the launch of Social Cherry Sour and enjoy smooth tunes, cold beer, and peak “I own boat shoes now” energy. This patio party is your official permission slip to lean all the way into patio yacht rock season. 

Bodies: The Science Within – May 15-June28 – Denver Pavilions

Fascinating, slightly unsettling, and impossible to look away from. The exhibit walks through different systems, muscles, organs, and more, offering a mix of science education and pure curiosity fuel. It’s equal parts informative and eerie, the kind of experience that leaves you both impressed and suddenly very aware of your own skeleton.

Grand Old West Days – May 22-26 – Craig

Craig leans all the way into its Western roots with five days of parades, rodeos, live music, and community events. Grand Old West Days brings together locals and visitors for a celebration that feels equal parts small-town tradition and full-on summer kickoff.

Star Wars: Return of the Jedi in Concert – May 22-24 – Boettcher Concert Hall, Denver

Watch Star Wars: Return of the Jedi on the big screen while a live orchestra performs John Williams’ iconic score in real time. The film plays in full as the Colorado Symphony brings every battle, chase, and emotional beat to life through live music. music.

Boulder Creek Fest – May 22-25 – Boulder Creek, Boulder

One of Boulder’s biggest annual traditions takes over the creekside with live music, food vendors, art, and plenty of ways to spend an entire day outside. Boulder Creek Fest mixes laid-back energy with a steady flow of entertainment, drawing big crowds and even bigger people-watching opportunities. 

Fan Expo Denver – May 28-31 – Colorado Convention Center

Have you ever wanted to take a selfie with Boba Fett? Or maybe you’ve always dreamed of meeting Matthew Lillard. FanExpo Denver is a full immersion experience that brings together incredible cosplay, celebrity panels, artist alleys, and enough fandom energy to power a small city. 

Durango Blues Train – May 28-30 – Durango

A moving music venue through the mountains. The Durango Blues Train pairs live blues performances with a historic train ride through the San Juan National Forest, complete with bar cars and open-air views. Each train car hosts musicians playing as you roll along the tracks, creating a traveling concert that feels equal parts scenic escape and rolling party.

Mike The Headless Chicken Festival – May 29-30 – Fruita

Yes, it’s real, and yes, it’s based on an actual chicken. Fruita celebrates the bizarre true story of Mike, a chicken who lived for 18 months after losing his head, with a festival that fully embraces its own weirdness. Expect live music, contests, local vendors, and a lineup of events that lean into the absurd in the best way possible. It’s quirky, it’s chaotic, and it’s exactly the kind of small-town legend that somehow turns into a full-blown party.