The efforts of our US based racers benefit the Muscular Dystrophy Association (MDA). This means that the funds raised by our US based supporters benefit those affected by Muscular Dystrophy in the USA. The MDA is fighting every day to free individuals — and the families who love them — from the harmful effects of muscle-debilitating diseases so they can live longer and grow stronger.
Families are at the heart of the MDA's mission. They wake up every morning to create more hope and answers for families living with muscular dystrophy and related diseases that take away physical strength and mobility. They do this by finding research breakthroughs across diseases, caring for kids and adults from day one and empowering families with services and support in hometowns across America.
Racers in the US donate $1 for every lap they lead. The funds our supporters in the US raise through Laps 4 MD benefit the Muscular Dystrophy Association. To learn more please visit

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