Join us for the Boardwalk Ultra, a unique Backyard-Style Endurance Challenge set right on the beautiful Miami Beach boardwalk - powered by Authen
Every hour, on the hour, runners will complete a 4.2-mile loop and the challenge continues for as many hours as you can keep going.
This event is designed for all levels of runners, from those looking to test their endurance limits to anyone who just wants to join for a few loops, enjoy the community, and experience something different.
Whether you want to run one loop, five, or twenty, this is your chance to push yourself, share miles with others, and discover how far you can go.
📍 Location:
City of Miami Beach – Municipal Lot P106
146 75th St, North Beach
Miami Beach, FL 33141
⏰ Start Time: 6:00 A.M.
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How It Works
• The run begins at 6:00 A.M. sharp.
• Every hour, runners start a new 4.2-mile loop.
• You must complete your loop within the hour, whatever time remains before the next start is your rest period.
• When the next hour begins, all runners start again together.
• The challenge continues until you decide to stop or can’t make it back in time for the next loop.
There’s no set finish line - the goal is simply to see how far you can go.
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What to Expect
No matter how many miles you plan to run, coming prepared will make your experience much more enjoyable! Bring your waterbottler, snacks, electrolytes, and gels to fuel yourself throughout the event.
We’ll have a hydration station provided by Authen, plus some food to share. Feel free to bring a little something to contribute and enjoy with the group, it’s all about having fun together!
We also recommend packing extra socks, shoes, and a change of clothes, especially if you plan to run for several hours. Staying dry and comfortable will help you power through the longer stages of the challenge with ease.
Special Thanks:
This event is powered by Authen, supporting endurance, movement, and the Miami running community.
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