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Triathlon Calendar near Glendale Heights 2025-2026

Explore the top triathlons near Glendale Heights for 2025-2026! We've gathered 165 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
13
Saturday

The Best Races - Chicago

5 km 10 km 13 mi
Dec
13
Saturday

The Best Races - Evanston

5 km 10 km 13 mi
Dec
27
Saturday

The Best Races - Chicago

5 km 10 km 13 mi
January 2026
Jan
1
Thursday

Cheers to New Year's 5k

5 km
Jan
10
Saturday

Frozen Gnome

Trail Run 10 km 50 km
Jan
31
Saturday

F3 Lake Half Marathon

5 km 13 mi
March 2026
Mar
14
Saturday

Muddy Shamrock @ The Forge

Trail Run 6 mi 13 mi
Mar
15
Sunday

Lucky 7K

7 km
Mar
15
Sunday

Deer Park St. Paddy's 10K Run/Walk

5 km 10 km
April 2026
Apr
4
Saturday

Chi Town Half Marathon

10 km 13 mi
Apr
12
Sunday

I Raced The Law

5 km
Apr
18
Saturday

Chicken Run

5 km 10 km
Apr
18
Saturday

Earth Day 50k

Trail Run 5 mi 15 mi 50 km
Apr
25
Saturday

Childish Nonsense

Trail Run 10 km 25 km 50 km 50 mi
Apr
26
Sunday

Ravenswood Run

5 km
May 2026
May
2
Saturday

Fight Hunger 10K

5 km 10 km
May
3
Sunday

Chicagoland Spring Marathon

10 km 13 mi 26 mi
May
9
Saturday

Mother's Day Run/Walk - St. Charles

5 km
May
9
Saturday

F^3 Cap Sauers Trail Marathon

Trail Run 10 mi 26 mi
May
9
Saturday

Quarryman Challenge

5 km 10 mi
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