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Trail Running Calendar near St. Charles 2025-2026

Monthly updates for St. Charles

Get new running races (and updates) in your inbox every month.

Explore the top trail runs near St. Charles for 2025-2026! We've gathered 20 exciting races in the area. Check out our detailed list below to find your next local race.

January 2026
Jan
10
Sa

Frozen Gnome

Trail Run 10 km 50 km
Jan
10
Sa

50k Mashup Slam

Trail Run 50 km
Jan
24
Sa

Fox Valley Winter Challenge Trail Series

Trail Run 5 km
Jan
31
Sa

Frozen Tundra 5K

Trail Run 5 km
February 2026
Feb
21
Sa

Fox Valley Winter Challenge Trail Series

Trail Run 8 km
Feb
28
Sa

Saw Wee Kee - Winter Trail Run

Trail Run
March 2026
Mar
14
Sa

Muddy Shamrock @ The Forge

Trail Run 7 mi 13 mi
Mar
22
Su

Fox Valley Winter Challenge Trail Series

Trail Run 10 km
Mar
28
Sa

Chauncey's 4 at The Farm

Trail Run 4 mi
April 2026
Apr
18
Sa

Earth Day 50k

Trail Run 5 mi 15 mi 50 km
Apr
25
Sa

Childish Nonsense

Trail Run 10 km 25 km 50 km 50 mi
Apr
25
Sa

Saw Wee Kee - Spring Trail Run

Trail Run
May 2026
May
3
Su

Great Western Half-Marathon & 10K

Trail Run 10 km Half Marathon
May
9
Sa

F^3 Cap Sauers Trail Marathon

Trail Run
June 2026
Jun
6
Sa

Saw Wee Kee - Summer Trail Run

Trail Run
Jun
6
Sa

5k for Double "J"

Trail Run 5 km
October 2026
Oct
3
Sa

Haunted Highlander Assault Trail Run

Trail Run 5 km
Oct
17
Sa

Saw Wee Kee - Fall Trail Run

Trail Run
Oct
24
Sa

Fancy Nonsense 25K/50K

Trail Run 5 mi 25 km 50 km
November 2026
Nov
14
Sa

The Forge Trail Run Festival

Trail Run 10 km 20 km 30 km 60 km