Past eventHeld September 14–18, 2026
Colorado Startup Week 2026
Colorado Startup Week is a free, community-driven celebration of entrepreneurship held across multiple venues in Denver, Colorado.
Multiple venues, Denver, CO
- Held
- September 14–18, 2026
- Venue
- Multiple venues, Denver, CO
- Attendance
- 10,000+
TL;DR
- Colorado Startup Week 2026 took place September 14–18 across multiple venues in Denver, Colorado.
- The event was billed as completely free to attend, funded by sponsors and volunteers.
- The week was scheduled to span 250+ sessions across four tracks (Ignite, Create, Operate, Grow), covering topics from robotics to fundraising, plus panels, workshops, happy hours, and job fairs.
- CSW is billed as the largest event of its kind in North America, drawing more than 10,000 founders, investors, creatives, and changemakers.
About
Colorado Startup Week was founded in 2012 and has grown into the largest free event of its kind. The organizer bills it as Colorado's premier free event celebrating startups, innovation, and the people building them. It is organized by the community and volunteers, uniting Colorado's entrepreneurial ecosystem for a week of sessions, presentations, panels, workshops, happy hours, celebratory events, and job fairs. It is held every September and connects founders, investors, creatives, and students from across Colorado.
Who was in the room
Founders
Founders launching, scaling, or otherwise building startups make up a core audience.
Investors
Investment leaders and venture investors attend, including headline speakers at past Main Stage sessions.
Creatives and changemakers
Creatives and changemakers from across Colorado's entrepreneurial ecosystem also take part.
Students
Students interested in startups attend for sessions, networking, and resources.
Public posts about this edition
3 postsQuoted word for word from public posts; each links to the original.
“We had a great turnout for the Colorado Startup Week CTO Lunch today, with over 100 people gathering to enjoy free food and drinks and great conversations.”
Jason Cole
Read the post“CU Innovation Day at Colorado Startup Week was an engaging and optimistic way to start. The CU Impact data speak loudly for the CO Innovation & Entrepreneurship community.”
Jo Ann Hair, 1000 Gretas
Read the post“One thing Colorado Startup Week highlights every year is that behind every startup success story is someone wearing far more hats than people realize.”
Lily Larsen
Read the post
Featured speakers
6 listedMike Johnston
Mayor of Denver · 2025 Main Stage
Bryan Leach
CEO · 2025 Main Stage · Ibotta
Lee Mayer
CEO · 2025 Main Stage · Havenly
Brad Feld
Investment Leader · 2025 Main Stage
Seth Levine
Investment Leader · 2025 Main Stage
Dan Caruso
Investment Leader · 2025 Main Stage
What attendees say
“Colorado Startup Week is a great resource for startup leaders and founders across the country, looking for advice, inspiration, fellowship and sisterhood with other entrepreneurs.”
Past editions
1 on record| Edition | Dates | Location | Attendance |
|---|---|---|---|
| 2025 | Denver | 10,000+ attendees, 200+ community events |
Questions people ask
8 answeredColorado Startup Week 2026 took place September 14–18.
Colorado Startup Week is billed as drawing more than 10,000 attendees annually, making it the largest event of its kind in North America.
Colorado Startup Week is held at multiple venues throughout Denver, Colorado.
Colorado Startup Week was billed as completely free to attend. It was kept free thanks to the support of sponsors and volunteers.
Colorado Startup Week welcomes founders, investors, students, creatives, and anyone interested in startups.
Colorado Startup Week is billed as the largest event of its kind in North America, with 250+ sessions across four tracks and 200+ community events.
It is most useful for early-stage founders, students and people new to the Colorado ecosystem, since it was free, ran 250+ sessions across four tracks, and was billed as drawing over 10,000 attendees, with past main stage speakers including Ibotta CEO Bryan Leach and investor Brad Feld. Senior executives or investors seeking closed-door, high-level deal meetings would get less, as the week is community-driven, spread across many Denver venues and open to anyone interested in startups.
Startup events in Denver usually call for casual dress, such as jeans, sneakers and company t-shirts or a casual jacket. Attendees moving between venues in September benefit from layers and comfortable shoes.
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