Hill to Hollow 100km

Hill to Hollow 100km

Hill to Hollow 100km is a loop trail race that begins and ends in Morgan Hill State Forest with camping available. The route crosses four counties and follows mostly single-track trails, including the Onondaga Trail, North Country Trail, Link Trail, Finger Lakes Trail, and paths through Highland Forest County Park, Muller Hill State Forest, and Mariposa State Forest. The course passes ponds, waterfalls, DeRuyter Reservoir, and the highest point in Onondaga County.

Distances

• 100km Solo
• 100km Relay

The course measures about 63.7 miles with approximately 10,286 feet of elevation change and a hard cutoff of 20 hours. There are seven aid stations (excluding start/finish); offerings include water, Skratch, fruit, pickles, PB&Js, chips, pretzels, cookies, candy, ice if warranted, and a limited selection of hot foods at one station. Pacers are allowed for 100km solo runners after about mile 33 with one pacer at a time and changes only at aid stations. All aid stations are accessible by road though conditions may not suit low clearance vehicles. Required gear includes an offline-capable navigation device with the course file, a charged cell phone with organizer number saved, headlamp and spare batteries, reflective vest, emergency blanket, waterproof shell with hood, water filtration, at least 800 mL fluid capacity and a 400 kcal food reserve.

The event runs concurrently with the Morgan Hill Trail Races Half Marathon and Marathon, is Trail Sisters approved, and is a UTMB Index race. Registration closes on Sep 16 at 11:59 PM ET. Refunds are not granted; deferrals are available for pregnancy, injury, or volunteering if slots remain. Distance changes are allowed until online registration closes. Visit the organization's website for the most recent information.

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