Firecracker 5K - Marengo
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Event
The Firecracker 5K is scheduled for Saturday, July 4, 2026 in Marengo, Indiana (ZIP 47140). The race start/finish area is listed at 177 S Second St, Marengo. Entry price is $20, and the registration fee increases after January 15, 2026 at 11:59pm EST. The event is presented as a run/walk.
Course
The course starts at the Marengo Boys and Girls Club and proceeds down SR 64, passing Marengo Cave. It reaches an underground tour area shortly after the 1-mile mark, then doubles back to finish near the festival area outside. The route includes rolling hills and a warehouse section with several back-and-forth hairpin turns that lead into an offroad-like corridor with smooth terrain. The indoor portion begins shortly after the 1-mile mark and is described as about 2 miles in length; indoor conditions are noted as well lit, cool (underground temperatures year-round are 54 degrees), and generally flat. Visit the organization's website for the most recent information.