Articles

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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 a no-contact bottle refill system, prepackaged snacks, ice pops, and pizza. A virtual 12-hour option is also available to support the AYJ Fund, benefiting children with cancer. Awards are given for overall and age group winners, and 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 May 17

Tails & Trails State Forest Run

The Tails & Trails State Forest Run, scheduled for May 17, 2025, in Pittsfield, MA, features three race distances: 50K, 25K, and a 5 Miler. This event supports local animal rescue nonprofits, including Red Robin Song Animal Sanctuary, No Paws Left Behind, and Berkshire Bird Paradise, Inc. Participan..

Sat - Sun May-Jun 31-1

Chesterfield Gorge Ultra & 25k

Chesterfield - 21 mi from Pittsfield

...

The Chesterfield Gorge Ultra & 25k is a unique running event held at the Chesterfield Gorge Reservation, featuring a 'choose your own adventure' format. Participants can select from various distances, including 100 miles, 100k, 50 miles, 50k, and 25k, with staggered starts to manage the flow of runn..

Sunday Jun 15

TSR Trail Half Marathon

Adams - 13 mi from Pittsfield

10 km

21 km

The TSR Trail Half Marathon will take place in Adams on Sunday 15 June 2025. You can run between 10 and 21 kilometers.

Saturday Jun 21

Edge Hill Trail Race

Ashfield - 23 mi from Pittsfield

10 km

30 km

50 km

The Edge Hill Trail Race, scheduled for 2025, is a collaborative event with the Franklin Land Trust, celebrating the scenic trails and dirt roads of Ashfield. This race emphasizes a relaxed atmosphere, encouraging participants to enjoy the natural beauty while challenging themselves physically and s..

Saturday Jun 21

Free to Run Trail Races

The Free to Run Trail Races, hosted by the Berkshire Ultra Running Community for Service (BURCS), take place in Pittsfield State Forest, Massachusetts. Scheduled for June 21, 2025, the event offers three distances: 15K, 25K, and 50K ultramarathon. The challenging course features a double-loop figure..

Fri - Mon Jul 11-14

Notchview Ultra

Windsor - 11 mi from Pittsfield

...

The Notchview Ultra is a multi-day ultramarathon event held from July 11-14, 2025, in Windsor, MA, at the scenic Notchview. Participants can choose from various race durations, including 6, 12, 24, 48, 72 hours, or a 100.7-mile race, starting at different times throughout the weekend. The course fea..