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‘03

Choose your Races

Please fill in the form with all your swimmer information to be considered as an applicant for the swims in the Ultramarathon Swim Series.

Ultramarathon Swim Series

Dedicated to the preservation of the world’s most revered marathon races in a global swim series.

925.219.2107
info@ultramarathonswimseries.com
50 Water Street, San Francisco, CA 94704
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