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Triathlon Calendar near South Chicago 2025-2026

Explore the top triathlons near South Chicago for 2025-2026! We've gathered 135 exciting races in the area. Check out our detailed list below to find your next local race.

January 2026
Jan
1
Thursday

Resolution Run - Olympia Fields

6 km
Jan
1
Thursday

Cheers to New Year's 5k

5 km
Jan
31
Saturday

F3 Lake Half Marathon

5 km 21 km
March 2026
Mar
14
Saturday

Muddy Shamrock @ The Forge

Trail Run 7 mi 13 mi
Mar
15
Sunday

Lucky 7K

7 km
April 2026
Apr
4
Saturday

Chi Town Half Marathon

10 km 21 km
Apr
26
Sunday

Ravenswood Run

5 km
May 2026
May
9
Saturday

F^3 Cap Sauers Trail Marathon

Trail Run
May
9
Saturday

Quarryman Challenge

5 km 10 mi
May
9
Saturday

Pink 5k

5 km
May
16
Saturday

Chicago 11 Hour Endurance Run

Backyard Ultra 4 mi
May
17
Sunday

Chicago Spring Half Marathon

10 km 21 km
June 2026
Jun
7
Sunday

Leon's Triathlon

Triathlon
Jun
20
Saturday

1911 Initiative 5k Scholarship Run/Walk

5 km
Jun
27
Saturday

Miles for Maddog

5 km 10 km
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