American Bottoms 100

Event Overview

The race will take place on Saturday, March 21, 2026, starting at 6:00 AM from the Sunset Overlook in Columbia, Illinois. The race will finish by 4:00 PM on Sunday, March 22, 2026.

This is an out & back course with a total elevation gain of 1,400 ft. You can expect 76% of the course to be on levees and 24% on hardball roads.

• Distance: 110 miles
• Cut-off Time: 34 hours
• Average Pace: 18:35 minute/mile

The course will feature seventeen fully stocked aid stations, offering support every six miles. Notable sites include Piggott's Fort, Fort de Chartres, and the town of Prairie du Rocher.

For more information, visit americanbottoms100.com.