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Triathlon Calendar near Elgin 2025-2026

Explore the top triathlons near Elgin for 2025-2026! We've gathered 87 exciting races in the area. Check out our detailed list below to find your next local race.

September 2025
Sep
21
Sunday

Fox Valley Marathon Races

5 km 13 mi 20 mi 26 mi
Sep
27
Saturday

Rosetoberfest 5K

5 km
Sep
27
Saturday

Chick-Fil-A 5K - Wheaton

5 km
Sep
28
Sunday

DeKalb Corn Classic

5 km 10 km
Sep
28
Sunday

Lester Fun Run

5 km
Sep
28
Sunday

Plainfield Harvest Run

5 km 10 km
Sep
28
Sunday

Inside Out Club Fall Family 5K

5 km
Sep
28
Sunday

Barkapalooza - Lisle

5 km
October 2025
Oct
4
Saturday

Scarecrow Scramble

5 km
Oct
4
Saturday

Long Grove's Prairie State Half Marathon

5 km 10 km 13 mi
Oct
4
Saturday

Montgomery River Run

5 km 10 km
Oct
4
Saturday

Haunted Wine Run 5k at Busse Woods

5 km
Oct
4
Saturday

Fall Trail Classic - Marengo, IL

Trail Run 4 mi 7 mi
Oct
5
Sunday

Cheesy Pretzel 5K

5 km
Oct
18
Saturday

Spooky Sprint - Chicago

5 km 10 km 13 mi
Oct
19
Sunday

Run with the Nuns

5 km
Oct
19
Sunday

Naperville Half Marathon

5 km 10 km 13 mi
Oct
19
Sunday

Fox Chase Run

5 km
Oct
25
Saturday

Fancy Nonsense 25K/50K

Trail Run 5 mi 25 km 50 km
Oct
25
Saturday

Bat Race 10K

5 km 10 km
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