Logo

The Hennepin Hundred

Sterling, United States • 4-5 Oct 2025

The Hennepin Hundred is Illinois' only point-to-point, all-trail ultramarathon, taking place along the scenic Hennepin Canal State Trail. This event features multiple race distances, including 100 miles, 50 miles, and a 50K, making it suitable for both seasoned ultrarunners and newcomers. The course is known for being flat and fast, ideal for achieving personal records.

Participants can enjoy well-stocked aid stations and receive various race swag, including finisher medals and shirts. The event also serves as a qualifying race for the prestigious Western States 100. More details can be found on the official website. Visit the organization's website for the most recent information.

United States Illinois Sterling

Race information

Website Registration
100 mi
100 Mile Team Relay
100 mi
100 Miler
50 mi
50 Miler
50 km
50k
Visit the organization's website for the most recent information.
Trail runs nearby

Bald Unyielding Twilight Trail Trial

Mount Morris - 22 mi from Sterling

The Bald Unyielding Twilight Trail Trial is an exciting ultra-running event taking place at the Bald Hill Prairie Preserve in Mount Morris, Illinois. Scheduled for February 22-23, 2025, this unique race features timed segments of 3, 6, and 12 hours, allowing participants to test their endurance in t..

Skunk Ape 806/314 Trail Race

Dixon - 11 mi from Sterling

The Skunk Ape 806/314 Trail Race is a unique running event taking place on March 22, 2025, at Lowell Park in Dixon, IL. Participants can choose between two challenging distances: 33.75 miles to be completed in 8 hours and 6 minutes, or 13.5 miles in 3 hours and 14 minutes. The race features a 2.25-m..

Pinetum Mind Games Endurance Event

Dixon - 11 mi from Sterling

The Pinetum Mind Games Endurance Event is a unique running challenge held at Lowell Park in Dixon, IL, featuring a .411-mile loop course. Participants can choose to compete solo or in relay teams over 6, 12, or 24-hour periods. The event encourages runners to push their limits in a fun and supportiv..

Chupacabra Trail Races

Dixon - 11 mi from Sterling

The Chupacabra Trail Races, taking place in Dixon, IL, offers participants a unique night running experience on August 9, 2025. Runners can choose from three distances: 5 miles, 10 miles, or 15 miles, with a loop course that combines grass, gravel, and dirt trails. The event features a single aid st..

Gristmill Grind 10K

Franklin Grove - 20 mi from Sterling

The Gristmill Grind 10K is an annual trail race held at Franklin Creek State Parks Natural Area, known for its challenging terrain and scenic views. Scheduled for August 30, 2025, this event features a 10K race with significant elevation changes and creek crossings, as well as a 1-mile walk. Partici..