Gulf Winds Triathletes' Annual St. Marks Duathlon

Click here to Register!


The St. Marks Duathlon will be held on Sunday March 25, 2018 in the quaint waterfront town of St. Marks and the bike portion will carry participants out into beautiful Wakulla County crossing over the St. Marks River and passing by the entrance to the St. Marks Wildlife Refuge. Transition is located within walking distance of the San Marcos de Apalache Historic State Park and the local shops and restaurants of downtown St. Marks. We are bringing back a version of the race that was held from 2012 - 2014. It is going to be a good time had by all!

Be sure to bring your family and friends to cheer on competitors and get a taste of the Real Florida.

We look forward to seeing you on Sunday, 3/25.



Bib and T-shirt can be picked up on Saturday, 3/24 between 12 PM – 5 PM at Capital City Runners located at 1817 Thomasville Road #510 (in Whole Foods Shopping Center) in Tallahassee, Florida. On Race Day you can pick up your Bib and T-shirt at transition located at 25 Riverside Drive, St. Marks, Florida from 6:00-7:00 AM. *Please note that a shirt is NOT guaranteed after March 14th. They are first come, first served and available while supplies last.


The Duathlon will be a single wave start at 8:00 AM at the south end of Mock Street just west of transition.

Arrive early for best parking. Parking will be along the edge of transition. Volunteers will be there to direct you for parking as early as 6:00 AM!


The race consists of a 5K (3.1 miles) run, 20K (12.4 miles) bike, and 2.5K (1.6 miles) run in that order. Course maps can be found here:


At the finish line there will be refreshments and snacks. We'll keep you posted on the race awards ceremony. More to come on that!