Running Races in Ottawa, IL

Ottawa, Illinois has 6 upcoming running races, from 5Ks to marathons. Browse by vibe, difficulty, and community fit to find the right race for you.

6 upcoming races listed

Discover the natural beauty of central Illinois on a scenic course that supports local charities. A beloved tradition for runners.

Course · Rolling · Timed race

A relaxed 5K adventure exploring Ottawa, featuring a historic cemetery visit and a celebratory finish with drinks and good company.

Course · Rolling · Walkers welcome

A scenic 5k supporting the Ottawa High School Cross Country Team, featuring a certified course and live music.

Course · Mixed · Rolling · Timed race

Run for a cause that brings hope and support for mental health in the community, with a new Wellness Fair adding to the day.

Course · Rolling · Family-oriented

Run for a cause on an active runway at Skydive Chicago, supporting cancer research and celebrating resilience in a truly unique 5K.

Course · Rolling · Walkers welcome

Run a timed 5K along the beautiful Heritage Harbor, supporting Special Olympics Illinois with every step.

Course · Rolling · Timed race

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