Catbird is a creative, communal space where locals and visitors alike come together to connect, collaborate, and celebrate the local culture. There's always something going on here, so make sure to check out our calendar of events to help plan your stay.
Sunday, September 27, 2026 September 27, 2026 Catbird
Lace up for Boulderthon, one of the nation's fastest-growing and highest-rated race weekends. Taking place in Boulder on September 27, 2026, the event features a full marathon, half marathon, 10K, 5K, and Kids Run, with courses showcasing Boulder’s iconic Flatirons, scenic roads, and vibrant downtown finish on Pearl Street. Recognized by Runner's World and USA TODAY among the top races in the country, Boulderthon attracts thousands of runners and spectators from across the United States each year. Whether you're chasing a personal best, qualifying for Boston, or cheering from the sidelines, this unforgettable race weekend is a Colorado fall tradition.
Make Catbird your home base for Boulderthon weekend. Stay in the heart of RiNo, explore Denver after the race, and recharge in comfort before your next adventure.
