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September 9, 2023 8:00 am

East Tawas, MI
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Crystal clear lake swim that parallels the beach.

The bike course has one word, awesome. I chose that word because it was used the most from athletes’ emails. In a day and age when half courses are oversold for what they can actually accommodate, this is a welcome change, with lightning-fast flat sections through the pines. 


The Transition Area will be placed in a back parking lot on Westover and main.  This will be to the right of Newman street just past the finish line.  The city has asked us to move back there due to a lack of business during the event.

Opens – 6:45am 

No friends or family members allowed in the transition area for any reason.  The race director and race officials will close the transition area 30-45 minutes before race start to ensure all athletes are at the starting area for mandatory course meeting and announcements.  Once the transition area is closed, you will NOT be permitted back in before the race starts.  Family/Friends will not be permitted in for any reason at any time throughout the event. 

When the last cyclist is off the course and has headed out for the run.  This time is variable and we will make announcements at the event when the transition area is ready to re-open. 

Any athletes removing gear from transition areas before the announcer or race director has officially opened the transition area will be DISQUALIFIED from the race!  This pertains to all athletes of all distances.  All athletes deserve a clear transition. 

In the event of inclement weather, it is recommended you have warm, dry clothing outside the transition area to put on following your finish due to other athletes still being on the bike course. 

Timing Chip
When you have completed the race, please do NOT enter the transition area wearing your timing chip.  PLEASE remove your chip before re-entering the transition area and exiting again.  This will cause a timing error. 

You must rack according to your race number, based on the sequence numbers placed at the end of each row.  Please remember racks will hold 7 bikes racked with the seat tip on support bar.  Please be courteous to fellow athletes to ensure there is space for 7 bikes on a rack.  If there is not enough room for your bike on your designated rack, please see a 3D Team member and we will help.  Please do not move another athletes bike or gear. 

Aid Station
Located at the run in/out chute with water and electrolyte replacement. 

Run In/Out and Bike In/Out chutes are clearly marked on the large structures at either end.   It is your responsibility to go the right direction while racing in the transition area.


Swim: 200m, 500m or 1.5k

New for all events will be a Time Trial swim start.  For safety reasons it is important we ensure we are doing all we can to alleviate stress at the start and turning at buoys.  A time trial start ensures everyone has a clear, stress-free swim.  You will SELF SEED according to your 500m swim time.  (THIS IS YOUR ACTUAL swim time, not what you THINK you will swim, or want to swim) this is important to ensure you are not swam over or create congestion by seeding yourself faster than you can swim.  Don’t be that athlete that creates a traffic jam.  See yourself appropriately and everyone will have a great time in the water.

Each athlete will report their number to the timer before crossing the timing mats and entering the water.  Again your responsibility to report that number to the timer.

Time trial starts: Long course athletes first, followed about 30 minutes later with Sprint, then 20 minutes later Super Sprint athletes.

This will be a crystal clear Tawas Bay (Lake Huron) swim with water temperatures historically between 63 and 72 degrees in September. We will plan to have the swim course set for you on Thursday morning, weather permitting. Every effort will be made to put as much of the swim course in 5-6 feet of water running parallel to the beach.

Olympic distance at 8:00 a.m. and Sprint athletes at 8:15am and finally Super Sprint athletes at 8:30am. Lifeguards, sheriff marine division, and search and rescue will be on the water for your safety.

Very simply this is an out and back course, separation will be about 25m, so there will be two sets of buoys.

Super Sprint athletes will be walked down the beach 200m. They will start there making a left around the sprint buoy and head back to the finish area.

Bike: 10k, 20k, 40k

This is one of our FAVORITE courses we have, if not the best one. If you count 20 cars past the 2 mile mark on the course it will be very rare.

This is smooth sailing the entire route, nothing rough out there. Pine tree-lined course just about the entire way. Exiting the Transition Area you will take E. State to a RIGHT on Bridge, to an immediate RIGHT on Monument and then you are flying through the national forest.

Sprint and Olympic athletes will turnaround at the 10k and 20k marks labeled with large orange signs.

You will spend the majority of your biking on Monument Road both out and back. 

Athletes this will truly be a nice treat for you with the minimal traffic on this course. September in Tawas is not a high tourist season.

Run: 1mi, 5k, 10k

This is an out and back run course that takes you out to the airport and back. It is flat, fast, mostly tree-lined and very wide. Exiting the Transition Area, you head out the run chute down Newman, past the finish line to a LEFT on Bay St. This will take you all the way down to Tawas Bay Beach Rd. LEFT up to Lincoln.

All your turnaround points will be along Lincoln. Each will be marked with large A-frame signs. You will simply turn around at your designated sign (Sprint/Olympic) and return the same way, to a RIGHT at Bay to your final RIGHT on Newman for your finish.

It will be YOUR responsibility to print maps and know the courses. They will not be available at the events.

ALL aid stations will be stocked with water, lemon-lime Gatorade Endurance Formula,


You will start with your specific swim wave. Check the information cube at the event for wave start information.

You will complete the Swim and Bike disciplines of the event. Following your Bike discipline, you will dismount your bike, cross the Bike In timing mats and place your bike back at your spot on the rack in the Transition Area.  You will then proceed across the Run Out timing mats and you are done! Your finish time will be when you cross the timing mats at that point.

DO NOT re-enter the transition area through Run In/Out or Bike In/Out. This will cause a timing error.

Finisher Memento 
If the event offers a finisher’s memento, please proceed to the finish area to receive the item. Tell the support crew at the finish line you were in the aquabike race and they will hand you the finishers memento.

You will keep your timing chip & strap on until all the bikes are off the course. Once we announce the transition is open, you may turn your chip & strap in at the designated collection point and retrieve your gear at that point.

Kayak/Paddle Board

Kayaks and Paddle Boards will be placed on the beach opposite the swim start corral, inside your own flagged corral. This will be indicated by a Kayak / Paddle Board start sign.

You will start just before the Sprint Female wave.  

In the water start at the start buoys, following the swim course to the last buoy, then follow the neon green buoys South along the shore line. Your turnaround is indicated by a double neon and orange buoy by the Tawas pier.  

When finishing your Kayak / Paddle Board discipline, you will beach your Kayak or Paddle  Board inside the flagged corral, then proceed under the swim finish structure, crossing the timing mats to complete your time for the Kayak / Paddle Board discipline.  

You will then mesh in with the swimmers exiting the water and head into the transition area to complete the rest of the event. 

You are required to have a life jacket on board.


You will start at the Duathlon start flag just in front of the finish chute.  About 5 minutes before your start you will be directed to this area where the run course coordinator will be waiting for further instructions.  He/She will lead out the first run, a 2.5k jaunt out and back.  Your FIRST RUN Turnaround sign is a 4′ tall – A-Frame with DU TURNAROUND on it.  You will simply turn around at that point and head back.   You will run meshing in with the swimmers entering the transition area from the beach.  From that point, you will head out on the same bike and 2nd run course as the rest of the athletes.

Super Sprint

One of the first to launch the Super Sprint back in 2014, the goal with it was to provide an intro to Triathlon.  No matter your age, 6 yrs to 80+ yrs. the final wave of the day to start gets you out of the chaos of the start, and keeps you with like-minded athletes.  A perfect introductory distance that we try to keep non-competitive with no awards, but of course, everyone gets a finisher medal.  Come on out and Try your first TRI.  Questions, don’t hesitate, any question is a good question!

200m swim – your swim will always start following the final sprint athlete in every super sprint event.  These will be an out to the first buoy, over and in.

10k  bike – will be an out and back.  Following all signs indicating SUPER

1 mile run – will be an out and back as well.  Following all signs indicating SUPER

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