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Sweltering Summer Ultra

Pittsfield, United States • 9 Aug 2025

The Sweltering Summer Ultra is an annual running event held at Clapp Park in Pittsfield, Massachusetts. The 13th edition features an 8-hour race on a certified 0.355-mile dirt and cinder track, with runners switching directions halfway through. Participants can run or walk as many laps as they choose, with chip timing and a live leaderboard provided.

The event includes a well-organized aid station with no-contact bottle refills, prepackaged snacks, ice pops, and pizza. Awards are given for overall and age group winners, with additional longevity and mileage recognitions. A 12-hour virtual race option supports the AYJ Fund, benefiting children with cancer.

The race is part of the BURCS BADASS series. Visit the organization's website for the most recent information.

United States Massachusetts Pittsfield

Race information

Website Registration
8 hr
8-Hour
Visit the organization's website for the most recent information.
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