NIGHT HOURS are from 7:00pm (or sunset) until 7:00am (or sunrise). Race officials will give you an hours notice prior the night hours going into affect. It is MANDATORY that all athletes have a bright white light on the front of their bike as well as a blinking red light on the rear. Runners must wear a headlight while on the run course. You will not be allowed to leave the transition area or continue on without the proper lighting once we have entered into the night hours of the race. 
 * we will have extra lights and batteries available for purchase.

SWIM COURSE | 0.25 mile open water swim.

Caps are required at all times when swimming. Wetsuits are allowed but not necessary. Since coming to the Island, the water temperature ranges from 65 - 68 degrees. You will exit the water after each swim and run up the beach into transition. You will give your number to our timer and cross back into the "swim in" area if you plan on completing another loop. A kayaker or paddle boarder with a floatation device and radio will be present at all times when athletes are in the water. 

The course is clearly marked with three buoys. You'll be swimming in a clockwise 0.24 mile loop.

The swim course is closed from 6:00pm - 7:00am.

Download • swim course map

BIKE COURSE | 10.04 mile loop around the island.

Helmets are required at all times while on the bike. Roads are OPEN and you must obey all traffic laws while on course. It is the raiders responsibility to know and understand the bike route. We will have glowing cones and reflective signs placed on the route during the entirety of the event. 

There are a few rolling hills as you pass by the lavender fields on the north side of the route. Please ride with 
caution - it is recommended you practice some night time bike riding before you make your way up to race this event. 

White headlights and a red blinking tail light are required during the night hours. 

Download • bike course map

GoPro • bike course

RUN COURSE | 2 miles out/back.

The run route takes you along the shores of Lake Michigan and along Sand Dunes Park. The run is on paved roads and has sections of shade, but also some sections of exposure. Please remember that roads are open and we ask you to use caution while out on course. Please wear bright clothes while on the run, especially during night hours. 

Headlamps or handheld lights are required during the night hours!
Shhh.. make sure you turn off your light for at least a few seconds while running at night - the stars are incredible out on the course! After you do that for a few short seconds, TURN YOUR LIGHT BACK ON :). 

Download • run course map


  • Facebook
  • Instagram - Black Circle


We love this island and we're honored to have the opportunity to produce this unique event year after year. Click here to read about how we got to the island and the race history.

Many racers come a few days early or stay a few days after and experience all the Island has to offer. The great food, the incredible views, the peaceful scenes at Schoolhouse beach and the lavender fields. This place will calm you down and give you time to kick back and just RELAX. So, stay awhile, and check out our favorite places to hang by clicking below.