There are 19 trail runs in Illinois scheduled for 2026. The next is the Haunted Highlander Assault Trail Run in Pingree Grove on October 23. Illinois trail runs run primarily October through June.

OUTLAST CHICAGO

Sat, Oct 24 · Palatine, IL Palatine
6 Hour Challenge - Sunday6 Hour Challenge - Saturday6 Hour Challenge - Saturday +1

Tour de Trails

Sat, Dec 19 · Rockford, IL Rockford
Tour de Trails - 3 Mile - Blackhawk Springs - 4998 S. Mulford Rd. Rockford, IL - Dec. 19Tour de Trails - 3 Mile - Blackhawk Springs - 4998 S. Mulford Rd. Rockford, IL - Dec. 20Tour de Trails - 6 Mile - Rock Cut State Park - Boat Launch - Jan. 16 +9

Fox Valley Winter Challenge Trail Series 5k/8k/10k

Sat, Jan 23 · Batavia, IL Batavia
Fox Valley Winter Challenge Trail Series 5K Only (Dick Young Forest Preserve)Fox Valley Winter Challenge Trail Series 8K Only (Oakhurst Forest Preserve)Fox Valley Winter Challenge Trail Series 10k Only (Hickory Knolls Discover Center) +4

Spring Stampede 5K/10K

Sun, May 2 · Hanna City, IL Hanna City
IVS Spring Stampede 5k RaceIVS Spring Stampede 5k RaceIVS Spring Stampede 10k Race +2