100 Mile Individual Ultra
Point-to-point running race from Key West Community Park 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 one additional runner who MUST stay within the distance of one published meet-up location of the crew at all times. Runners are self-sufficient; there are no aid stations along the route, although there are staffed timing stations if assistance is needed.
Open to ages 18 - 90.
- Event Dates:
- Saturday May 15, 2027 - Sunday May 16, 2027
- Start Time:
- 5:30am EDT
- End Time:
- 3:30pm EDT
- Registration Limit:
- 177 spots left.
- Price:
- $355.00 Race Fee + $18.75 SignUp Fee
- Registration:
- Price increases to $395.00 after January 9, 2027 at 11:59pm EST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| July 11, 2026, 12:01am EDT | January 9, 2027, 11:59pm EST | $355.00 Race Fee + $18.75 SignUp Fee |
| January 10, 2027, 12:00am EST | May 15, 2027, 9:00am EDT | $395.00 Race Fee + $20.75 SignUp Fee |
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 one additional runner who MUST stay within the distance of one published meet-up location of the crew at all times. Runners are self-sufficient; there are no aid stations along the route, although there are staffed timing stations if assistance is needed.
Open to ages 18 - 90.
- Event Dates:
- Saturday May 15, 2027 - Sunday May 16, 2027
- Start Time:
- 9:00am EDT
- End Time:
- 5:00am EDT
- Registration Limit:
- 143 spots left.
- Price:
- $305.00 Race Fee + $16.25 SignUp Fee
- Registration:
- Price increases to $325.00 after January 9, 2027 at 11:59pm EST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| July 11, 2026, 12:01am EDT | January 9, 2027, 11:59pm EST | $305.00 Race Fee + $16.25 SignUp Fee |
| January 10, 2027, 12:00am EST | May 14, 2027, 11:59pm EDT | $325.00 Race Fee + $17.25 SignUp Fee |
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 one additional runner who MUST stay within the distance of one published meet-up location of the crew at all times. Runners are self-sufficient; there are no aid stations along the route, although there are staffed timing stations if assistance is needed.
Open to ages 18 - 90.
- Event Dates:
- Saturday May 15, 2027 - Sunday May 16, 2027
- Start Time:
- 12:00pm EDT
- End Time:
- 12:00am EDT
- Registration Limit:
- 149 spots left.
- Price:
- $240.00 Race Fee + $15.40 SignUp Fee
- Registration:
- Price increases to $270.00 after January 9, 2027 at 11:59pm EST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| July 11, 2026, 12:01am EDT | January 9, 2027, 11:59pm EST | $240.00 Race Fee + $15.40 SignUp Fee |
| January 10, 2027, 12:00am EST | May 14, 2027, 11:59pm EDT | $270.00 Race Fee + $14.50 SignUp Fee |
100 Mile Team Relay
Point-to-point running race from Key Largo Community Park 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. There are no aid stations along the route, although there are staffed timing stations if assistance is needed.
Open to ages 16 - 90.
- Event Dates:
- Saturday May 15, 2027 - Sunday May 16, 2027
- Start Time:
- 5:00am EDT
- End Time:
- 3:30pm EDT
- Price:
- $1,050.00 Race Fee + $43.00 SignUp Fee
- Registration:
- Price increases to $1,110.00 after January 9, 2027 at 11:59pm EST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| July 11, 2026, 12:01am EDT | January 9, 2027, 11:59pm EST | $1,050.00 Race Fee + $43.00 SignUp Fee |
| January 10, 2027, 12:00am EST | May 15, 2027, 6:00am EDT | $1,110.00 Race Fee + $45.40 SignUp Fee |
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. There are no aid stations along the route, although there are staffed timing stations if assistance is needed.
Open to ages 16 - 90.
- Event Dates:
- Saturday May 15, 2027 - Sunday May 16, 2027
- Start Time:
- 9:00am EDT
- End Time:
- 5:00am EDT
- Price:
- $540.00 Race Fee + $28.00 SignUp Fee
- Registration:
- Price increases to $585.00 after January 9, 2027 at 11:59pm EST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| July 11, 2026, 12:01am EDT | January 9, 2027, 11:59pm EST | $540.00 Race Fee + $28.00 SignUp Fee |
| January 10, 2027, 12:00am EST | May 14, 2027, 11:59pm EDT | $585.00 Race Fee + $30.25 SignUp Fee |
This is a service fee for processing your registration. This may be slightly higher or lower per registrant than the amount shown here.