The 4th 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 25 and 26, 2020. 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.

April 22, 2023
Hobe Sound
[email protected]


50 K
April 22, 2023 (Saturday)
50 kilometers
13.1 Mile
April 22, 2023 (Saturday)
13.1 miles
The information about this event is based on data from the official website or may be provided by the organiser. Before booking flights or accommodation check the event's website and social media. If this listing is not up-to-date, please let us know at [email protected]




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