The Mass Half
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The Mass Half in Worcester, MA
The Mass Half is a half marathon event held on April 4, 2027, in Worcester, Massachusetts. The race is listed at 13.1 miles and is set at 100 Madison St, Worcester, MA 01608, United States. Organizers expect thousands of participants and position the event in the spring race season for Central Massachusetts.
The event program includes at least two registration options: the main The Mass Half Marathon and a Charity Bib Runner entry. Registration for both options opens on 10/9/2026. Registration for the main half marathon closes on 10/31/2026; the published registration fee for that entry is $100. The Charity Bib Runner entry closes on 4/2/2027, is listed with a $0 registration fee, and is described for participants who want to fundraise for one of the event’s charity partners.
United Way of Central Massachusetts is identified as the event’s signature annual fundraiser, with support from M&T Bank. Proceeds are stated to support United Way of Central Massachusetts and nonprofit organizations across the region. The organizer notes the event is intended to bring new activity to Worcester and Central Massachusetts and to involve local businesses, nonprofits, corporations, volunteers, and community partners. Visit the organization's website for the most recent information.
