After a 25-year run as the G.A.C. Fat Ass 50K, Gil’s Athletic Club handed off the reins for the classic New England ultrarunning kickoff event to the Trail Animals Running Club. The first offering of the annual fun run under its new name of the TARC Yeti Trail Trot took place on Saturday, Jan. 3, 2026, at Bradley Palmer State Park in Hamilton, Mass. Around 150 runners showed up on a cold morning to run or walk between one and five loops of snowy and icy trails. Thirty-one runners completed five loops and earned ultramarathon finishes, while another 11 runners completed four loops and an extra out-and-back for a marathon finish.
Continue reading Results: TARC Yeti Trail TrotCategory Archives: G.A.C.
G.A.C. Fat Ass 50K will Continue Under TARC Leadership
A New England trail- and ultrarunning classic event will return in 2026 after all.
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G.A.C. Fat Ass 50K Discontinued for 2026
After 25 years of kicking off the ultrarunning new year in New England, the Gil’s Athletic Club is hanging up its sneakers, so to speak. In a post to the club’s website, Race Director Roger Martell announced that the GAC Fat Ass 50K will not return in 2026.
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Cold Temperatures Don’t Deter Runners at 25th G.A.C. Fat Ass 50K
While blizzard conditions and ice ravaged much of the United States spanning from Kansas to Washington, D.C., ultrarunners in New England only had to brace themselves for cold temperatures as they kicked off the 2025 ultrarunning season.
Continue reading Cold Temperatures Don’t Deter Runners at 25th G.A.C. Fat Ass 50KResults: G.A.C. Fat Ass 50K
The 25th running of the G.A.C. Fat Ass 50K took place on Saturday, Jan. 4, 2025, at Bradley Palmer State Park in Topsfield, Mass. The New England classic was organized by Gil’s Athletic Club and played host to around 200 runners. Runners took on a 10K loop course through the park as many times as they wanted, up to five loops for a 50K finish. Some completed four loops and an additional out-and-back for a marathon.
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G.A.C. Fat Ass 50K to Kick Off 2025 Ultra Season
In what has been an annual tradition for years, the 2025 Massachusetts ultrarunning season will kick off with the the G.A.C. Fat Ass 50K. Gil’s Athletic Club will play host to the event for the 25th time at 8 a.m. Saturday, Jan. 4, at Bradley Palmer State Park in Topsfield.
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Goodwill, Good Times at 24th G.A.C. Fat Ass 50K
TOPSFIELD, Mass. – In the days prior to the G.A.C. Fat Ass 50K, concerns mounted about the possibility of a massive pileup of snow on the trails, in the parking lot, and on the roads leading to Bradley Palmer State Park.
Continue reading Goodwill, Good Times at 24th G.A.C. Fat Ass 50KResults: 2024 G.A.C. Fat Ass 50K
The 24th running of the G.A.C. Fat Ass 50K took place on Saturday, Jan. 6, 2024, at Bradley Palmer State Park in Topsfield, Mass. Around 250 runners took part in running between one and five loops of the 10K course. Thirty-five runners finished five loops for a 50K, and another 15 runners earned marathon finishes.
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Photos: 2024 G.A.G. Fat Ass 50K
The 24th running of the G.A.C. Fat Ass 50K took place on Saturday, Jan. 6, 2024, at Bradley Palmer State Park in Topsfield, Mass. Around 250 runners took part in running between one and five loops of the 10K course. The following are a sample of photos taken by MassUltra Editor Chris Wristen. Additional photos can be viewed on the MassUltra Facebook page.
Continue reading Photos: 2024 G.A.G. Fat Ass 50KG.A.C. Fat Ass 50K to Return for 24th Year
The 2024 New England ultrarunning season will open in traditional fashion with the return of the G.A.C. Fat Ass 50K. Gil’s Athletic Club will play host to the event for the 24th time on Saturday, Jan. 6, at Bradley Palmer State Park in Topsfield.
Continue reading G.A.C. Fat Ass 50K to Return for 24th Year
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