TARC Fall Classic

Carlisle, United States • 5 Sep 2026

Event overview

The Trail Animals Running Club Fall Classic is scheduled for Saturday, September 5, 2026, at Great Brook Farm State Park in Carlisle, Massachusetts. The start/finish area is at the Hart Barn Ski Center and field (1018 Lowell St). The event offers multiple distance options and a free youth fun run. Registration for paid distances is a flat fee of $25; youth discounts and a USATF MUT Youth Initiative discount are available. Registration closes before race week and the event has a sell-out history. The organizer enforces a strict no-refund, no-transfer policy except for emergency deferrals and offers a pregnancy deferral option for up to two years.

Course and logistics

Distances:

  • 10K
  • Half marathon
  • 20 mile
  • 50K
  • 50 mile
  • Yeti Mischief Mile
  • Free youth fun run (~0.5 miles)

The 50M/50K/20M use a 10-mile loop with aid stations about every 3 to 4 miles; 20M runners do two loops. 50K entrants run an extra pair of loops in the open field at the start to add distance before joining the 10-mile loop. The Half and 10K use a 10K loop with aid only at the start/finish; the Half includes an additional field loop. The youth course is marked with flags around the corn field and will have volunteer guidance.

This is a cupless race; participants must bring their own hydration system. Trail briefings are mandatory. Pacers are not allowed; crew access is limited to the start/finish area. Parking is limited (about 500 spots for 600+ participants) and a park parking fee applies. The event follows Leave No Trace principles and collects food donations for a local pantry. Adaptive athletes are welcome with specified accommodations. Visit the organization's website for the most recent information.

Race information

50 mi
50 Mile
50 mi
50 Mile Waitlist
50 km
50k Waitlist
50 km
50k
20 mi
20 Mile
20 mi
20 Mile Waitlist
Half Marathon
Half Marathon
Half Marathon
Half Marathon Waitlist
10 km
10k
10 km
10k Waitlist
Yeti Mischief Mile Endurance Division
Yeti Mischief Mile Endurance Division Waitlist
Yeti Mischief Mile Relay Division
Yeti Mischief Mile Relay Division Waitlist
Yeti Mischief Mile Solo Division
Yeti Mischief Mile Solo Division Waitlist
Free Youth Fun Run
Free Youth Fun Run Waitlist
Visit the organization's website for the most recent information.
Trail runs nearby

Tackle the TARCtic Frozen Yeti at Hale Education in Westwood MA on Feb 7 and 8 2026 with a 30 hour challenge or a 15 mile looped race. Expect well marked winter trails, regular aid and proceeds supporting land conservation.

Run scenic singletrack loops around ponds and woodlands at Hale Education in Westwood, with a 6 hour endurance option or a 3.5 mile loop. Bring your own bottle for this cupless event and enjoy a laid back aid station at the start.

Join the Merrimack River 10 miles on April 11 for a USATF sanctioned out and back trail race starting behind the DoubleTree in Andover. Enjoy water stops, post race bagels and a raffle while supporting local trail maintenance.

Enjoy smooth loop trails in Jericho Town Forest with distances from 10K to 50K and a free youth run. This cupless race often sells out so register early and bring your own hydration for vegan friendly aid.