KEYS100 Ultramarathon

🏃‍♂️ Race Overview

Registration is open for the 18th Annual race across the islands of the Florida Keys--May 16-17, 2026.

🏝️ Course Details

• Distance: This is a pavement race, with approximately 75% run on paved bike paths or sidewalks and the balance on the road shoulder facing traffic.
• Location: This chain of unique and inter-connected islands--some inhabited, some not--end in the City of Key West, just 90 miles from Cuba.

🌊 Destination Highlights

• Paradise: The Florida Keys, known locally as "The Conch Republic", is a spectacular and laid-back sub-tropical paradise, surrounded by the turquoise waters of the Atlantic Ocean and Florida Bay/Gulf of Mexico.
• Activities: The Keys feature great fishing, kayaking, snorkeling and diving, hotels, resorts, B&B's and cuisine and cocktails to fit every budget.

🎉 Entertainment and Culture

• Variety: There is entertainment to fit every taste, important history and a unique culture.
• Events: Sunsets that will keep you spellbound, special events going on throughout the year including KEYS100.

🚀 Join Us

So, what are you waiting for? We've saved a space for you! For more information or to register, visit KEYS100 Registration.