Course: 411.0 Miles / 17 Stages
Schedule: July 26 - August 28, 2025
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Stage 11
Stage 11: Saginaw Bay Crossing
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DESCRIPTION: Starting in Au Sable and finishing in Grindstone City, 4 relay swimmers will have bragging rights to crossing the mouth of Saginaw Bay.
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TARGETED START DATE: *Friday, August 15, 2025 @ 7:00 a.m. EDT
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NOTE: Participants must commit to being on site and ready to swim from August 14th through August 16th.
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​START – Au Sable (Shoreline Park)
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FINISH – Grindstone City (Boat Ramp)
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​MILEAGE: 32.4
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MARINA (Start): Main Pier Marina
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NOTE: If accessing marina and gate is locked, call President Brian Muirhead at 313-617-9952. For long term parking, leave vehicle in Au Sable Shoreline Park parking lot next to marina.
MARINA (Finish): Port Austin State Harbor
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HOTEL (Start): AmericInn by Wyndham Oscoda
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HOTEL (Finish): Blue Spruce Motel - Staff / Lake Vista Resort - Swimmers
IMPORTANT NOTES
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Every effort will be made to adhere to this event schedule. A day off has been scheduled between each swim stage to accommodate for reasonable weather delays. However, persistent weather delays could push back or push up start dates, altering the schedule. If this happens, we will make every effort to catch up and get back on schedule.
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Swimmers wishing to participate in this event should have flexible personal schedules and plan to extend their stay beyond their single targeted start date. *Weather could dictate swimming a day early, a day late, or on more than one day to finish a stage. As a condition of your acceptance to participate, you must commit to being on-site and ready to swim on a scheduled off day occurring both before and after your targeted swim date. This is a 3-day commitment, except for Stage 1 and Stage 17 (the first and last stages), which are 2-day commitments. We will contact you as far in advance as possible if we are off schedule to the point it appears your start date may be moved outside of your 2 or 3-day window. Participants unable to swim due to their start date being pushed outside the 2 or 3-day window will receive a refund of their entry fee only if there is enough time to recruit a paying replacement swimmer. Please read Refund Policy.
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Participants should be prepared for the possibility of swimming after dark.
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Event staff will be staying at the hotels listed. Swimmers may attempt to book hotel rooms in the staff hotels at their option and expense. The event will attempt to negotiate a discounted room block for swimmers and their guests at staff hotels. Please keep in mind however, that much of the swim route is in rural areas where hotel choices and the number of rooms are not plentiful, especially during these peak summer months when there is a high demand. Availability may be limited and discounted rates may not be available. Event staff will offer complimentary roundtrip ground transfers for swimmers between the listed hotels and the swim course’s starting and finishing points or the marinas.
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Support boat will be docked at the marinas listed.