Trail Running Calendar near Spring Grove 2026-2027

January 2027

Trail Run 10 km 50 km

Winter trail race in Crystal Lake with a hilly single-track 10K loop and a 50K made of five laps, staffed aid stations, finisher medals, and age-group awards.

Jan

30

Sa

Abominable Snow Race

Lake Geneva | 14 mi from Spring Grove

Obstacle Run 5 km 10 km 20 km

A winter obstacle race at Lake Geneva Ziplines & Adventures on January 30, 2027 offering distances from a kids loop to a 20K Yeti Challenge; fun heats allow optional obstacles while a competitive division awards cash prizes. All in-person finishers r..

April 2027

Apr

17

Sa

Earth Day 50k

Crystal Lake | 14 mi from Spring Grove

Trail Run 5 mi 15 mi 50 km

Trail races in Crystal Lake, Illinois on a 5.2 mile loop offering 50k, 15 mile and 5 mile options through single track, prairie and pine forest.

Apr

24

Sa

Childish Nonsense

Palatine | 25 mi from Spring Grove

Trail Run 6 mi 25 km 50 km 50 mi

Trail ultraraces at Deer Grove Forest Preserve in Palatine IL featuring 5.5 mile laps, central aid station, inclusion policies and a playful race atmosphere.

July 2027

Jul

3

Sa

Kishwauketoe 5K

Williams Bay | 18 mi from Spring Grove

Trail Run Walk 5 km

Kishwauketoe 5K Run / Walk in Williams Bay featured a main 5K and a kids quarter mile, drew 280 finishers, and proceeded after volunteers cleared storm debris.

October 2027

Oct

9

Sa

Ultratrax Alpine Valley

East Troy | 25 mi from Spring Grove

Trail Run Walk 7 mi 14 mi 21 mi 28 mi

Multi-loop fall trail event at Alpine Valley near Elkhorn WI with a 7 mile loop, optional weighted rucks, and finish awards including the Grey Wolf medal.