Saturday, Apr 27, 2019 @ 5:00 AM

Dunes 100

16450 S.E federal highway

Hobe Sound, FL 100 Miler, 100 Mile - Relay, 50 Miler

This Event Took Place Sat. Apr 27, 2019

Event Postponed

This event has been postponed from Apr 23, 2022 to Apr 24, 2022

Race Description

The 5th Annual Dunes 100 Ultramarathon and 50 Miler just got hotter!

Get ready to explore 13 unique natural communities in 11,000 acres of grueling trails at Jonathan Dickinson State Park, in the town of Jupiter/Hobe Sound, Florida.
Registrations are Open for the 100-Mile run, 50-Mile run or join your friends to conquer the 4 Member Team 100 Mile Relay (Limited Spots).
Tackle the trails of an imperial Eco-system of natural rolling sand dunes with beautiful views of the scrubs and the Florida intercoastal on April 23 and 24, 2022. Yes, in the brutal "Real Florida" heat.

For Detailed Race, Info Click here or visit


THE 2019 DTR ENDURANCE CHALLENGE 5K, 10K, 13.1 and 50K

The Dunes 100 will take place within an adventurous weekend of trails, celebrating The 7th Annual Endurance Challenge.
For 5K, 10K, 13.1 or 50K Registrations Click Here or visit for more info. NEW!!!!

The Course

The name Dunes 100 is inspired by the last imperial eco-system, The Scrubs with its endless rolling white sugar sand. This course will take you on a journey from Pine Flatwoods to the scrubs where you will go face to face with the infamous “Dunes of Heaven” and Dunes of Hell”.

The first 5 miles you will go through pine flat woods with hard packed dirt some roots and sand. You will cross two wooden bridges – Kitching Creek South and North, followed by two miles through wetland prairie with another bridge crossing and you arrive into the "Scrubs" imperial eco-system.

Here, you will tackle seven miles through white sand dunes that will make you feel like you are going backward while rolling up and down the relentless Dunes of Heaven and Dunes of Hell.

For as much as the course tortures you, we promise to be nice to you at the finish line. We love to cater our runners with fresh cold organic coconut waiting for you, or if you prefer some stronger hydration we have some craft beer and burgers firing on the grill and other refreshments, for a complete recovery party.

100-Milers will complete 3 loops of 33 Miles
50-Milers 2 loops of 25 Miles
Relay 1 Loop of 25M Each (4x)

Runner's Swag

The RUNNER'S PERKS includes custom Dunes 100 Finisher Buckles and Sub-24hr, Custom Finisher's Medals for 50M, race buff, and other cool stuff.
DTR Awards Top Male and Female Runners

More Details

100 Mile Race will have a Cut-off of 30 hours.
50 Mile Race will have a Cut-off of 16 hours.

100 Mile 4 Person Relay will have a Cut-off of 30hrs.

For more info, including Rules & Regulations, Aid Station and Crew Information Click here or visit

Local time: 6:15 AM


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