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About this event
A national marathon event for SO and N-J CLSES classes on the Inland Waterway.
- Dates
- Aug 8–9, 2026
- Venue
- Inland Waterway
- City
- Indian River, MI
- Organizer
- American Power Boat Association
Dates and details come from the organizer and public race and event news. Always confirm with the organizer before you travel.