KEYS100 Ultramarathon
- Date Sat 17th May 2025 - Sun 18th May 2025
- Time 5:00AM EDT
- Location Key West, Florida
- Price $274.00 - $1,093.00
- Races 5 races
- Distances Ultra
Last chance to enter
Race day is fast approaching
Event summary
Get ready for the ultimate challenge at the KEYS100 Ultramarathon, taking place from May 17 to May 18, 2025, in the stunning Key West, Monroe! This thrilling race spans the enchanting islands of the Florida Keys, showcasing a vibrant blend of natural beauty and laid-back charm. Participants will tackle approximately 75% of the course off-road, with the remainder along the scenic road shoulder, all while enjoying the breathtaking views of turquoise waters and picturesque landscapes that make the Keys a paradise for outdoor enthusiasts.
Join fellow runners in this annual event that celebrates the unique culture and history of the Florida Keys, also known as "The Conch Republic." Whether you’re a seasoned ultramarathoner or a newcomer to the racing scene, the KEYS100 promises an unforgettable experience filled with adventure, camaraderie, and stunning sunsets that will leave you spellbound. Don't miss your chance to be part of this extraordinary race—register now and secure your spot in one of the most beautiful locations in the world!
Join fellow runners in this annual event that celebrates the unique culture and history of the Florida Keys, also known as "The Conch Republic." Whether you’re a seasoned ultramarathoner or a newcomer to the racing scene, the KEYS100 promises an unforgettable experience filled with adventure, camaraderie, and stunning sunsets that will leave you spellbound. Don't miss your chance to be part of this extraordinary race—register now and secure your spot in one of the most beautiful locations in the world!
Organiser's Description
Registration is open for the 17th Annual race across the islands of the Florida Keys--May 17-18, 2025. This chain of unique and inter-connected islands--some inhabited, some not--end in the City of Key West, just 90 miles from Cuba. This is a pavement race, with approximately 75% run off-road and the balance on the road shoulder facing traffic. 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. The Keys feature great fishing, kayaking, snorkeling and diving, hotels, resorts, B&B's and cuisine and cocktails to fit every budget. There is entertainment to fit every taste, important history and a unique culture, sunsets that will keep you spellbound, special events going on throughout the year including _KEYS100_, of course, and you don't need a passport to visit here! So, what are you waiting for? We've saved a space for you!
Races
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100 Mile Individual Ultra
Incl. $19.00 Fee & T-Shirt
Sat 17th May 2025 (5:30AM EDT)
$379.00
Point-to-point running race from the Divers Direct shopping center in Key Largo to Key West along the "Florida Keys Overseas Heritage Trail"--Overseas Highway (US #1). 100-milers have 32 hours from the time their wave crosses the start line to complete the race. Each runner MUST have a support crew, but may share a crew with up to two additional runners but who MUST stay within the distance of one published meet-up location of the crew at all times. There will be no traditional aid station support along the route. KEYS100 is sanctioned by USA Track & Field. -
50 Mile Individual Ultra
Incl. $15.75 Fee & T-Shirt
Sat 17th May 2025 (9:00AM EDT)
$310.75
The 50-mile race is a point-to-point running race from the Marathon Garden Club in Marathon to Key West along the "Florida Keys Overseas Heritage Trail"--Overseas Highway (US #1). 50-milers have 20 hours to complete the race from the time their wave crosses the start line. Each runner MUST have a support crew, but may share a crew with up to two additional runners but who MUST stay within the distance of one published meet-up location of the crew at all times. There will be no traditional aid station support along the route. KEYS100 is sanctioned by USA Track & Field. -
50 Kilometer Individual Ultra
Incl. $14.00 Fee & T-Shirt
Sat 17th May 2025 (12:00PM EDT)
$274.00
The 50-kilometer race is a point-to-point running race from the Lower Keys Chamber of Commerce property in Big Pine Key to Key West along the "Florida Keys Overseas Heritage Trail"--Overseas Highway (US #1). 50-K runners have 12 hours to complete the course from the time their wave crosses the start line. Each runner MUST have a support crew, but may share a crew with up to two additional runners but who MUST stay within the distance of one published meet-up location of the crew at all times. There will be no traditional aid station support along the route. KEYS100 is sanctioned by USA Track & Field. -
100 Mile Team Relay
Incl. $43.00 Fee & T-Shirt
Sat 17th May 2025 (5:00AM EDT)
$1,093.00
Point-to-point running race from the Divers Direct shopping center in Key Largo to Key West along the "Florida Keys Overseas Heritage Trail"--Overseas Highway (US #1). 100-mile teams have 32 hours to complete the race from the time their first runner crosses the start line. Teams of up to six runners decide their own strategy: runners do not have to run the same number of miles or "legs", nor run in order. Teams are self-sufficient, carrying their own food, water, ice, etc. KEYS100 is sanctioned by USA Track & Field. -
50 Mile Team Relay
Incl. $27.25 Fee & T-Shirt
Sat 17th May 2025 (9:00AM EDT)
$552.25
Point-to-point running race from the Marathon Garden Club in Marathon to Key West along the "Florida Keys Overseas Heritage Trail"--Overseas Highway (US #1). 50-mile teams have 20 hours to complete the race from the time their first runner crosses the start line. Teams of up to three runners decide their own strategy: runners do not have to run the same number of miles or "legs", nor run in order. Teams are self-sufficient, carrying their own food, water, ice, etc. KEYS100 is sanctioned by USA Track & Field.
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