PHILIP CHARLES DUMONTET, Registered Agent
Boulderthon Holdings, LLC operates the Boulderthon marathon and half marathon event in Boulder, Colorado. The annual race, presented by lululemon, is recognized as one of the top 10 races in the U.S. and is one of the fastest-growing races in the country, according to the event's website and visitor bureau pages. The LLC is based in Longmont, CO.
Filed January 9, 2026 · Longmont, CO
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Boulderthon Holdings, LLC is a marathon / race organization business (LLC) registered on January 9, 2026 with the Colorado Division of Corporations. Its principal address is 23 Boston Ct, Longmont, CO 80501. The filing lists PHILIP CHARLES DUMONTET as Registered Agent.
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Start Your Free Trial ›Boulderthon Holdings, LLC was registered as LLC on January 9, 2026 in Colorado.
Boulderthon Holdings, LLC's principal address on file is 23 Boston Ct, Longmont, CO, 80501.
Boulderthon Holdings, LLC is classified as a marathon / race organization business (running event).
No EIN was found on file for Boulderthon Holdings, LLC at the time of registration.
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Boulderthon Holdings, LLC operates the Boulderthon marathon and half marathon event in Boulder, Colorado. The annual race, presented by lululemon, is recognized as one of the top 10 races in the U.S. and is one of the fastest-growing races in the country, according to the event's website and visitor bureau pages. The LLC is based in Longmont, CO.
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