The Pan-Mass Challenge is a Massachusetts-based bike-a-thon that raises more money for charity than any other single athletic fundraising event in the country. Always held the first weekend in August, the PMC raises funds for Dana-Farber Cancer Institute, a world leader in adult and pediatric cancer treatment and research.
PMC 2026 is August 1 and 2. The deadline to register for PMC weekend is June 30, 2026.
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