Outside Days Festival | Texas Review | Ralph Arvesen
Day Three Outside Days Festival at the Auraria Campu in Denver, Colorado on May 31, 2026. (Photo: Ralph Arvesen)

The Outside Days Festival took place on Auraria Campus in Denver, Colorado from May 29 - 31, 2026, transforming the campus lawns and plazas into a temporary village of stages, tents, food vendors, and gathering spaces. Fans moved between the main music stage, the ideas and storytelling areas, and smaller performance spots that blended into the urban setting. The location gave the weekend a distinctly city centered feel, with campus buildings and downtown Denver framing the experience while still leaving room for open air, sunshine, and long evenings outdoors.

The Outside Days Festival has a way of making the city feel smaller and more connected. Fans drifted through the grounds with an easy confidence, moving between stages, food stalls, and shaded lawns as if the entire place had been designed around the rhythm of their footsteps. The festival sits at the intersection of music and outdoor culture, and that blend shaped everything from the conversations in line for coffee to the gear people carried on their backs. It felt like a gathering of people who love the world outside as much as they love the artists on stage.

The layout encouraged wandering. One moment fans were standing in front of a main stage surrounded by thousands, and the next they were tucked into a quiet corner listening to a speaker talk about mountains, endurance, or creativity. The festival grounds were dotted with hammocks, art installations, and small clusters of people comparing trail stories or swapping recommendations for the next set. The atmosphere felt relaxed even when the crowds grew thick, and there was a sense that everyone was there for the same reason: to be part of something that stretched beyond music.

As the day unfolded, the festival revealed its own personality. It wasn’t just a place to watch performances. It was a place where strangers shared sunscreen, where people offered each other space on blankets, and where conversations started easily. The mix of families, longtime festival goers, and first timers created a crowd that felt welcoming rather than overwhelming. Even the lines moved with a kind of patience that only happens when people are genuinely happy to be where they are.

By evening, the festival took on a glow that felt almost cinematic. The lights from the stages reflected off the crowd, and the sound carried across the open fields in warm waves. People danced barefoot, held hands, and leaned into the music as if the entire weekend had been building toward these moments. The energy was high but never frantic, and the sense of community deepened as the night settled in. It was the kind of atmosphere that made fans linger long after the final notes faded, not quite ready for the day to end.

The final day carried a mix of excitement and bittersweet energy. Fans knew the weekend was winding down, but the lineup promised some of the most anticipated performances of the festival. The air felt cooler, the crowds more relaxed, and the sense of community stronger than ever.

DJ CYN

Outside Days Festival DJ CYN at Outside Days Festival in Denver, Colorado on May 31, 2026.

DJ CYN, also known as Cynthia Mardones, is one of Denver’s most experienced and versatile DJs, with more than twenty years of national and international work behind her. She is known for sets that move fluidly from relaxed grooves to high energy dance floors, creating a seamless atmosphere at professional sports events, luxury weddings, corporate gatherings, and major festivals. She has opened for artists including Usher, Busta Rhymes, Doja Cat, and DJ Jazzy Jeff. Her company, DJ Cyn Productions, is a women led operation run with her twin sister Claudia Mardones, who manages bookings and client experience. A strong advocate for women and diversity in the music industry, DJ CYN partners with nonprofits to support underrepresented communities. At Outside Days, she delivered a dynamic set that reflected her broad range and deep connection to Denver’s cultural scene.


The Mananas

Outside Days Festival The Mananas at Outside Days Festival in Denver, Colorado on May 31, 2026.

The Mananas is an alternative rock project from Denver created by songwriter and guitarist Brandon Upingco. After years of writing on his own, Upingco teamed up with producer Danny Pauta in 2019, forming the foundation of the band’s jangly, melodic sound. Their debut single Patiently arrived in 2020, followed by the album Cheers in 2021 and the sophomore release 3000 in 2023. The Mananas blend bright guitar lines with low fi textures and upbeat choruses, creating a style rooted in both indie rock and classic pop sensibilities. At Outside Days, the band brought a lively set that highlighted their Denver roots and growing catalog.


N3PTUNE

Outside Days Festival N3PTUNE at Outside Days Festival in Denver, Colorado on May 31, 2026.

N3PTUNE is a Denver based multi hyphenate musician whose bold, genre bending work has earned him recognition across the country. Named Best Breakout Artist of 2023 by Westword Magazine, he draws on gospel, blues, and soul influences shaped by his upbringing in the Baptist Church, merging them into a striking form of pop music. His live performances are known for intensity and theatricality, with Alexis Krauss of Sleigh Bells comparing the experience to seeing Prince for the first time. N3PTUNE has performed at major Denver venues including Red Rocks and Ball Arena, and has supported artists such as Qveen Herby, Cordae, Rina Sawayama, Slayyyter, Wyclef Jean, and Sleigh Bells. His first mixtape RENAISSANCE arrived in 2021, followed by the 2025 EP XYDS, which featured the singles WMD and BLK305. At Outside Days, N3PTUNE delivered a high voltage performance that showcased his fusion of fashion, performance art, and fearless musical experimentation.


Forrest VanTuyl

Outside Days Festival Forrest VanTuyl at Outside Days Festival in Denver, Colorado on May 31, 2026.

Forrest VanTuyl is a songwriter, poet, and musician from Washington State whose work blends folk traditions with contemporary storytelling. He has performed with Ramblin Jack Elliott and Sera Cahoone, and has toured and co written with Margo Cilker. His writing has been featured by The New York Times, the National Cowboy Poetry Gathering, and KEXP. At Outside Days, VanTuyl offered a reflective set shaped by his background in poetry and his connection to the landscapes of the American West.


Keith Ladzinski

Outside Days Festival Keith Ladzinski at Outside Days Festival in Denver, Colorado on May 31, 2026.

Keith Ladzinski is an Emmy nominated director and National Geographic photographer whose work spans climbing expeditions, paleontology, extreme weather, climate science, and wildlife across all seven continents. He has photographed five National Geographic cover stories and contributed to more than forty projects for the organization, including films, books, exhibitions, and global partnerships. Raised in Colorado, Ladzinski developed a visual style shaped by both wilderness and subculture, documenting athletes and wildlife with equal curiosity. He has produced and directed work for Disney, Apple, Canon, Nike, Discovery, Outside, ABC, and The New York Times. At Outside Days, he shared stories from remote expeditions and the creative process behind capturing extreme environments.


Adrian Ballinger

Outside Days Festival Adrian Ballinger at Outside Days Festival in Denver, Colorado on May 31, 2026.

Adrian Ballinger is a big mountain climber, skier, certified mountain guide, and founder of Alpenglow Expeditions. Over twenty five years, he has led more than 150 international expeditions and completed nineteen successful summits of 8,000 meter peaks, including ten summits of Mount Everest. Ballinger is known for pioneering pre acclimatization techniques that shorten expedition time while improving safety. He is the only American to complete three ski descents of 8,000 meter peaks, including the first ski descent of Manaslu from its summit. He is also the fourth American to summit both Everest and K2 without supplemental oxygen. At Outside Days, Ballinger discussed guiding ethics, mountain culture, and the future of high altitude climbing.


Siembra Soundsystem

Outside Days Festival Siembra Soundsystem at Outside Days Festival in Denver, Colorado on May 31, 2026.

Siembra Soundsystem, also known as Siembra, is a Denver based Global Latin music project led by Selecta C and Yucasoul. Their sound blends ancestral rhythms with modern urban production, creating high energy performances rooted in movement, culture, and community. Known for immersive sets and a strong presence in Denver’s Latin music scene, Siembra brings a full sensory experience to the stage. At Outside Days, they delivered a vibrant performance that kept the crowd dancing from start to finish.


Girl Tones

Outside Days Festival Girl Tones at Outside Days Festival in Denver, Colorado on May 31, 2026.

Girl Tones is a high energy rock duo formed by sisters Kenzie and Laila. Both classically trained musicians, Kenzie shifted from cello to guitar and Laila from piano to drums, creating a raw and electrifying sound. Their early releases were produced by Brad Shultz of Cage The Elephant and released through his label Parallel Vision in partnership with Big Loud Rock. Their music has earned praise from Rolling Stone, VICE, Consequence, PAPER, NME, and DORK. Girl Tones has toured with Cage The Elephant, The Velveteers, hey, nothing., and Silversun Pickups. After their festival debut at Lollapalooza, Rolling Stone wrote that the duo is “proudly imperfect.” At Outside Days, Girl Tones delivered a fierce and unrestrained performance that showcased their rising momentum.


Alex Honnold, Fitz Cahall and Jim Morrison

Outside Days Festival Alex Honnold, Fitz Cahall and Jim Morrison at Outside Days Festival in Denver, Colorado on May 31, 2026.

Alex Honnold is one of the most accomplished rock climbers of his generation, known worldwide for his free solo ascent of El Capitan, documented in the Academy Award winning film Free Solo. He later completed Skyscraper Live, a televised free solo climb of one of the tallest buildings in the world. Honnold is also the founder of the Honnold Foundation, which supports solar energy access worldwide. At Outside Days, he spoke about risk, focus, and environmental advocacy.

Fitz Cahall is a climber, writer, and pioneering podcaster who created The Dirtbag Diaries, one of the earliest outdoor storytelling podcasts. In 2021, he partnered with Honnold to launch Climbing Gold, a series exploring the past, present, and future of climbing. At Outside Days, Cahall discussed storytelling, community, and the evolution of climbing culture.

Jim Morrison is a ski mountaineer known for completing some of the most difficult descents in the world. He has skied from the summits of Everest, Lhotse, and Papsura Peak. In 2025, he completed the first ski descent of Everest’s Hornbein Couloir, which will be the subject of a documentary directed by Jimmy Chin. Morrison was named National Geographic Adventurer of the Year in 2018. At Outside Days, he spoke about resilience, healing, and the pursuit of extreme objectives.


Grouplove

Outside Days Festival Grouplove at Outside Days Festival in Denver, Colorado on May 31, 2026.

Grouplove is a genre bending rock band whose ecstatic energy has defined their sound for more than a decade. Their sixth studio album I Want It All Right Now introduced what they call “resistance pop,” exploring themes of self awareness and emotional reckoning. The deluxe edition features new tracks including Chances, Can You Feel My Love, and All (Live), recorded at Madison Square Garden with Jake Clemons of Bruce Springsteen’s E Street Band. The band’s lineup includes Hannah Hooper, Christian Zucconi, Daniel Gleason, Andrew Wessen, and Ben Homola. At Outside Days, Grouplove delivered a vibrant set that showcased their evolution from the early days of Never Trust a Happy Song to their current, more introspective work.


Tash Sultana

Outside Days Festival Tash Sultana at Outside Days Festival in Denver, Colorado on May 31, 2026.

Tash Sultana is a multi instrumentalist, producer, singer songwriter, and entrepreneur known for building a global career on independent terms. They began playing guitar at age three and eventually taught themselves more than a dozen instruments, developing a one person looping style that gained worldwide attention. Their first release, the NOTION EP, arrived in 2016, followed by the acclaimed debut album Flow State. Sultana has sold out venues including Red Rocks Amphitheatre, earned fifteen ARIA nominations, and received the Rolling Stone Global Artist Award in 2023. At Outside Days, Tash Sultana delivered a powerful and immersive performance that highlighted their technical skill and emotional depth.


Cage The Elephant

Outside Days Festival Cage The Elephant at Outside Days Festival in Denver, Colorado on May 31, 2026.

Cage The Elephant formed in 2006 and has become one of the most influential rock bands of their generation. They have earned dozens of Gold, Platinum, and Multi Platinum certifications, more than five billion streams, and ten number one singles on Alternative Radio. The band won two Grammy Awards for Best Rock Album for Tell Me I'm Pretty and Social Cues. Their music has appeared in major films, television shows, and global campaigns, including Marvel’s Spider Man 2 and The Summer I Turned Pretty. Known for cathartic performances and genre shifting creativity, the band continues to evolve while maintaining a strong bond as both musicians and friends. Their sixth album Neon Pill channels a period of turbulence into twelve emotionally charged tracks. At Outside Days, Cage The Elephant delivered a high intensity performance that reflected their status as one of modern rock’s most dynamic live acts.


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