Skip to main content

KEYS100 Ultramarathon

Sat May 17 - Sun May 18, 2025 Key West, FL 33340 US

100 Mile Individual Ultra

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.
Open to ages 18 - 90.
Event Dates:
Saturday May 17, 2025 - Sunday May 18, 2025
Start Time:
5:30am EDT
End Time:
4:00pm EDT
Registration Limit:
153 spots left.
Price:
$320.00 Race Fee + $17.00 SignUp Fee
Registration:
Price increases to $360.00 after January 13, 2025 at 11:59pm EST

50 Mile Individual Ultra

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.
Open to ages 18 - 90.
Event Dates:
Saturday May 17, 2025 - Sunday May 18, 2025
Start Time:
9:00am EDT
End Time:
6:00am EDT
Registration Limit:
135 spots left.
Price:
$275.00 Race Fee + $14.75 SignUp Fee
Registration:
Price increases to $295.00 after January 13, 2025 at 11:59pm EST

50 Kilometer Individual Ultra

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.
Open to ages 16 - 90.
Event Dates:
Saturday May 17, 2025 - Sunday May 18, 2025
Start Time:
12:00pm EDT
End Time:
12:00am EDT
Registration Limit:
144 spots left.
Price:
$230.00 Race Fee + $14.80 SignUp Fee
Registration:
Price increases to $260.00 after January 13, 2025 at 11:59pm EST

100 Mile Team Relay

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.
Open to ages 15 - 90.
Event Dates:
Saturday May 17, 2025 - Sunday May 18, 2025
Start Time:
5:00am EDT
End Time:
4:00pm EDT
Price:
$990.00 Race Fee + $50.50 SignUp Fee
Registration:
Price increases to $1,050.00 after January 12, 2025 at 11:59pm EST

50 Mile Team Relay

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.
Open to ages 16 - 90.
Event Dates:
Saturday May 17, 2025 - Sunday May 18, 2025
Start Time:
9:00am EDT
End Time:
6:00am EDT
Price:
$495.00 Race Fee + $25.75 SignUp Fee
Registration:
Price increases to $525.00 after January 13, 2025 at 11:59pm EST

If you continue to use this site, you consent to use all cookies. We use cookies to offer you a better browsing experience. Read how we use cookies and how you can control them by visiting our Privacy Policy.

If you continue to use this site, you consent to use all cookies.