Muddy Dash - Boston

Muddy Dash Boston 2026

Muddy Dash Boston takes place on August 1, 2026 at 508 INTL- Adventure Sports Center in Boston, MA. The event is presented as a 5K mud run that includes obstacles, mud pits, and slides. Light quick-dry gear is recommended. Kids are welcome subject to event rules.

The course is described as containing about a dozen "Muddy Moments" where participants may run, walk, crawl, wade, slip, or slide. Mud pits are stated to be no deeper than waist deep. The event is non-competitive and is not focused on timing; costumes are permitted.

Event day activity is framed by a Pre-Party and an After-Party. The Pre-Party includes music, a DJ, dancing, and photo opportunities. The After-Party at the finish features a DJ, music, food, beer, cold drinks, and food trucks.

Registration options include a Value package that lists a race bib, finisher medal, post-race party access, and access to mud pits. A VIP package lists VIP check-in, a tour T-shirt, towel, drawstring bag, sunglasses, a VIP tattoo, and a silicone wristband. A limited-time free registration offer is shown alongside a standard fee listing of $74.95.

Logistics noted on the event page include packet pickup on July 31 (4:00 pm to 8:00 pm) at 508 INTL- Adventure Sports Center, 219 Brookfield Rd, Charlton, MA 01507. Race Day packet pickup may incur a $5 cash fee per packet. Gear check is available for $5 at the event. Parking may require a cash charge up to $20 collected by the venue.

The event includes a Buy One & Give One program in which a registration purchase can trigger a donated free registration for a local community member; several national and local charities are listed as partners for donations. Visit the organization's website for the most recent information.