Join DetermiNation for the Naperville Marathon & Half Marathon! Participants can choose their distance and either commit to the $500 fundraising minimum or $1000 fundraising minimum. Both minimums include a DetermiNation race singlet, access to our VIP tent on race day, and customizable fundraising website. In addition, those choosing the $1000 minimum will receive FREE race entry and training! Sign up with DetermiNation today to recieve your Naperville registration code.
When you join the American Cancer Society DetermiNation endurance event program, you join our nationwide community of athletes and get the best localized support, training, and fundraising tools to help you achieve your personal victory. Every mile of training will be more meaningful and on race day you’ll have the extra motivation you need knowing you’re helping save lives from all types of cancer.
The DetermiNation program offers you the ultimate community of support, training and inspiration. Learn More
We applaud and appreciate the efforts of our DetermiNation program Alumni. Learn More
Training Tips from Coach Adam
What are the symptoms of overtraining?
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