The G.A.C. Fat Ass 50K played a central role in Matt Veiga’s trail- and ultrarunning career. The event, hosted by Gil’s Athletic Club in Topsfield, introduced him to the sport in 2005 when he attended his first Fat Ass 50K. Veiga took part in the event at least 10 times, and like hundreds of runners in New England, always looked forward to the free fun run in early January that served as the unofficial kickoff to the new trail- and ultrarunning season.
When Veiga learned in November that the event would not return after a 25-year run, he wanted to do something about it.
Continue reading New Name, Same Spirit as 2026 Begins at TARC Yeti Trail Trot →
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 Trot →
A New England trail- and ultrarunning classic event will return in 2026 after all.
Continue reading G.A.C. Fat Ass 50K will Continue Under TARC Leadership →
Going beyond the marathon in Massachusetts
MassUltra 