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Running Calendar near Oak Brook 2025-2026

Monthly updates for Oak Brook

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

Explore the top running races near Oak Brook for 2025-2026! We've gathered 118 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
December 2025
Dec
20
Sa

Chase the Elf 10k

5 km 10 km
Dec
27
Sa

The Best Races - Chicago

5 km 10 km 13 mi
January 2026
Jan
1
Th

Resolution Run - Olympia Fields

6 km
Jan
1
Th

Cheers to New Year's 5k

5 km
Jan
3
Sa

Bodies Race Company - Shorewood

5 km 10 km Half Marathon
Jan
24
Sa

Fox Valley Winter Challenge Trail Series

Trail Run 5 km
Jan
31
Sa

F3 Lake Half Marathon

5 km Half Marathon
Jan
31
Sa

Frozen Tundra 5K

Trail Run 5 km
February 2026
Feb
1
Su

St. Charles Indoor Triathlon

Triathlon
Feb
7
Sa

Frozen Oaks 5K

5 km
Feb
8
Su

Geneva Park District's Super Shuffle 5K

5 km
Feb
21
Sa

Fox Valley Winter Challenge Trail Series

Trail Run 8 km
Feb
22
Su

Wildcat Indoor Triathlon

Triathlon
Feb
22
Su

No Frills Fun Run

10 km
Feb
28
Sa

Saw Wee Kee - Winter Trail Run

Trail Run
March 2026
Mar
7
Sa

Manhattan Irish Fest Parade 5k

5 km
Mar
14
Sa

Muddy Shamrock @ The Forge

Trail Run 7 mi 13 mi
Mar
14
Sa

Shorewood Shuffle

5 km
Mar
14
Sa

CORE Indoor Sprint Triathlon

Triathlon
Mar
14
Sa

Shamrock Beer Run & BrewFest Chicago

5 km