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Sweltering Summer Ultra

Name: Sweltering Summer Ultra
Start: 2025-08-09
End: 2025-08-09
Location: Pittsfield

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.

Trail runs nearby

Saturday Aug 23

Jug End Loop Ultra

Great Barrington - 18 mi from Pittsfield

4 mi

6 hr

The Jug End Loop Ultra is a 6-hour ultra running event held at Jug End State Reservation in Egremont, Massachusetts. Participants run multiple laps of a scenic 4.2-mile course featuring woods, fields, and an apple orchard, with an elevation change of 830 feet per lap. The course includes uphill and..