Races LocalRaces Local
Find Local Running Races
Races in Seneca, IL

Running races in or near Seneca, IL

Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more

See below for a frequently-updated, comprehensive list of upcoming running events in the local Seneca, IL area. Races listed here include both walking and running events of various distances — from 1-milers, to 5Ks, to marathons, and everything else in between.

Fleet Feet Sports

Muddy Dash - Exclusive VIP Registration - R̶e̶g̶u̶l̶a̶r̶ ...

Organization: Viral Run

Date of Race: 06-28-2025

Description: Event details and schedule

Muddy Dash - Value Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶7̶4.9̶5̶

Organization: Viral Run

Date of Race: 06-28-2025

Description: Event details and schedule

Marathon - Individual Registration

Organization: Run Starved Rock Country

Date of Race: 05-10-2025

Description: Now in its 12th year, (11th running, have to count Covid) ...

Half Marathon - NO SHIRT Included - Individual ...

Organization: Run Starved Rock Country

Date of Race: 05-10-2025

Description: Now in its 12th year, (11th running, have to count Covid) ...

Half Marathon - Individual Registration

Organization: Run Starved Rock Country

Date of Race: 05-10-2025

Description: Now in its 12th year, (11th running, have to count Covid) ...

Marathon - NO SHIRT Included - Individual ...

Organization: Run Starved Rock Country

Date of Race: 05-10-2025

Description: Now in its 12th year, (11th running, have to count Covid) ...

Run SRC 5K - Individual Registration

Organization: Run Starved Rock Country

Date of Race: 05-10-2025

Description: Now in its 12th year, (11th running, have to count Covid) ...

2025 Starved Rock Country Marathon and Half Marathon

Organization: Run Starved Rock Country

Date of Race: 05-10-2025

Description: Now in its 12th year, (11th running, have to count Covid) ...

Muddy Dash | Chicago

Organization: Viral Run

Date of Race: 06-28-2025

Description: Event details and schedule

Family Movie Night: 'Migration'

Organization: Forest Preserve District of Will County

Date of Race: 05-23-2025

Description: DescriptionIt's movie night at Four Rivers! Follow ...

Fleet Feet Sports

Complete list of running events in and near Seneca, IL: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.


More information about Seneca

About Seneca

Seneca (IL) is a village in LaSalle County with an estimated population of 2,371.[4]

Races Local Newsletter

Subscribe to get the latest on racing delivered to your inbox, once per week.

Did you know?

The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.

ZIP Codes in IL


Go

Other Illinois Cities