GripIron.com is hosting two online cardio challenges to raise money for the Organization for Autism Research. You can compete in one or both challenges.

GripIron World Autism Awareness Day Cardio Challenge
April 2nd

The first is a one day cardio challenge on April 2nd, 2008. Compete to burn the most calories in a single day by doing any type of cardio exercise you like. Simply report your workouts on GripIron.com. Get your family and friends to sponsor you in this online fitness challenge to raise money for the Organization for Autism Research. The top three calorie burners and the top three fundraisers will recieve prizes from the Organization for Autism Research.
GripIron Autism Awareness Month Cardio Challenge
April 3rd - April 30th

The second challenge is a four-week cardio challenge starting April 3rd and ending April 30th, 2008. Players compete to burn the most calories over these four weeks. Get your family and friends to sponsor you in this online fitness challenge to raise money for the Organization for Autism Research. The top three calorie burners and the top three fundraisers will recieve prizes from the Organization for Autism Research.


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GripIron Fitness, Inc. is a socially-minded, for-profit corporation. Our mission is to help improve people's fitness and fight the obesity epidemic while supporting good causes. A portion of all of our proceeds are donated to charities through the GripIron Charity Contests.

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