Summer in Boulder feels truly special—sunny days, cool mountain breezes, and a community that loves to celebrate the season. Whether you’re into art, music, food, or outdoor adventures, there’s always plenty of fun to enjoy. August is full of exciting events, from open-air concerts and local art markets to cultural festivals and more. Here’s a look at what’s coming up this month!
Boulder Rez Marathon
When: 8/2
Where: Boulder Reservoir
The Boulder Rez Marathon is a classic summer race that runs through the beautiful natural landscape around Boulder Reservoir. Runners can pick from marathon, three-quarter marathon, half-marathon, and 10K distances, making it suitable for many skill levels. With sweeping views of the Flatirons and a friendly community atmosphere, this event provides a scenic and fulfilling challenge. Participants can enjoy a well-organized course, post-race refreshments, and the opportunity to connect with Colorado’s lively running community. Interested in taking part? Register here.
Arts in the Park: Boulder Opera
When: 8/2-3
Where: Boulder Bandshell
Opera in the Park 2025: Bella Voce invites you to a magical evening of outdoor music celebrating the beauty of Italian opera and the charm of American classics. Set beneath the stars, this unforgettable concert features arias, duets, and ensembles from composers like Mozart, Verdi, Bernstein, and Gershwin, performed by Boulder Opera’s top talent with a live orchestra. From Don Giovanni to Porgy and Bess, the program blends two rich musical traditions into one breathtaking night, co-hosted by City of Boulder Parks and Recreation and Arts in the Park. It’s the perfect way to enjoy the arts and warm summer weather at the same time. Grab your tickets here.
Seed Saving 101
When: 8/9
Where: Harlequin’s Gardens
Hosted at Harlequin’s Gardens, Seed Saving 101 is an engaging and practical workshop for home gardeners eager to learn how to harvest and store seeds from their own plants. Led by Jess Harper, the session covers everything from seed selection and proper drying techniques to storage methods. It’s a great opportunity to boost food resilience, cut gardening costs, and help preserve heirloom plant varieties from your local micro-climate. Reserve your spot here.
Summer Art Market at BMoCA
When: 8/23
Where: Boulder Museum of Contemporary Art
Boulder Museum of Contemporary Art’s Summer Art Market is a community celebration of creativity, showcasing a curated selection of local artists, makers, and vendors. Set amid BMoCA’s lively summer exhibitions, the market features everything from handmade jewelry and ceramics to fine art and prints. Visitors can browse, shop, and meet the artists while enjoying the vibrant energy of downtown Boulder and the nearby Farmers Market. Admission is “pay from your heart,” making it accessible and welcoming for everyone. Be sure to stop by the farmers market on 13th Street while you’re here!
Sans Souci Festival of Dance Cinema
When: 8/29-31
Where: Museum of Boulder
Celebrating its 22nd season, the Sans Souci Festival of Dance Cinema returns to Boulder with an exciting lineup of international dance films, installations, and interdisciplinary performances. The festival features screenings at the Museum of Boulder, blending movement, cinematography, and experimental storytelling in a unique format. With a focus on artistic innovation and global perspectives, Sans Souci offers a compelling exploration of how dance and film can intersect in deeply expressive and visually stunning ways. You won’t want to miss it! Tickets are available here.
August in Boulder is shaping up to be a month filled with inspiration, exploration, and community. From art and music to movement and mindfulness, the city buzzes with events that highlight its creative spirit and natural beauty. Whether you’re trying a new hobby, enjoying a night under the stars, or just soaking in the local culture, there’s no better time to experience everything Boulder has to offer.