Hill to Hollow 100km

Tully, United States • 19 Sep 2026

Hill to Hollow 100km

Hill to Hollow 100km is a point-to-point trail event held near Tully, NY, beginning and ending in Morgan Hill State Forest with camping available. The course covers about 63.7 miles and includes roughly 10,286 feet of elevation change while crossing four counties and using nearly all single-track trail, including sections of the Onondaga Trail, North Country Trail, and Finger Lakes Trail.

Distances

  • 100 km Solo
  • 100 km Relay

There are seven staffed aid stations excluding the start and finish. Aid station food and drink options include water, electrolyte drink, fruit, sandwiches, snacks, and a limited selection of hot food at one station. All finishers receive event socks and awards are given to top finishers by division and to the fastest relay team.

Runners must be self-sufficient and able to navigate without mobile network coverage. Required gear includes a charged cell phone with the race director number saved, an offline navigation device with the course GPS file, headlamp with spare batteries, reflective vest, emergency blanket, waterproof shell with hood, water filtration device, at least 800 mL of liquid capacity, and a reserve of at least 400 kcal. Pacers are allowed for solo 100 km runners after about mile 33, with one pacer at a time and changes permitted only at aid stations. The race is Trail Sisters approved and is an UTMB Index event. Visit the organization's website for the most recent information.

Race information

100 km
100km Relay
100 km
100km Solo
Visit the organization's website for the most recent information.
Trail runs nearby

Experience the trails of Highland Forest County Park with 10 mile, 20 mile, and 50K distance options. This event features technical terrain and significant elevation gain through forests and logging lanes near Fabius.

A two-day event at Green Lakes State Park with Saturday swim-bike-run races and Sunday trail and kids runs. Registration opens July 21, 2025 and fees vary by event.

A Last One Standing loop race at Clark Reservation State Park in Jamesville, NY, featuring two short circuits over table rock and mixed trail. Cutoff times shrink each lap and the event concludes with a post-race cookout.

A self-timed family run and walk at Tap Root Fields with mapped loops through fields and wood-chipped trails, picnic areas, a bounce house, and strawberry-themed refreshments. Open to all ages; pets are not allowed.

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