The Key West Half Marathon & Runfest is an exciting annual race held in the tropical paradise of Key West, Florida. The event features a half marathon, 5K, 8K and 10K, with each race offering unique views of the island’s stunning coastline, vibrant streets, and iconic landmarks. Participants experience the charm of Key West, running through historic areas and along picturesque waterfronts. The event celebrates the festive atmosphere of the island, with a post-race celebration featuring music, food, and entertainment.
Races
Half Marathon
10km
8km
5km
Race Date:
18 January, 2026
The Key West Half Marathon, set for January 18, 2026, offers runners a 13.1-mile course that weaves through the heart of Key West, featuring stunning coastal views and the charm of historic Old Town. As one of the most anticipated winter races, this event blends fast, flat terrain with an electric island atmosphere, making it an unforgettable experience for runners of all levels.
Weather based on historical averages. Route data provided by Strava, based on last year's race.
FAQs
What is the Key West Half Marathon?
How long is the Key West Half Marathon?
Where does the Key West Half Marathon take place?
What is the elevation gain of the Key West Half Marathon?
How can I prepare for the Key West Half Marathon?
How do I choose the right training plan for the Key West Half Marathon?
The Key West Half Marathon, set for January 18, 2026, offers runners a 13.1-mile course that weaves through the heart of Key West, featuring stunning coastal views and the charm of historic Old Town. As one of the most anticipated winter races, this event blends fast, flat terrain with an electric island atmosphere, making it an unforgettable experience for runners of all levels.
The Key West Half Marathon is 21km long.
The Key West Half Marathon takes place in Key West, Florida, USA.
Runna classifies the Key West Half Marathon elevation profile as Flat.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Key West Half Marathon?
The Key West Half Marathon, set for January 18, 2026, offers runners a 13.1-mile course that weaves through the heart of Key West, featuring stunning coastal views and the charm of historic Old Town. As one of the most anticipated winter races, this event blends fast, flat terrain with an electric island atmosphere, making it an unforgettable experience for runners of all levels.
How long is the Key West Half Marathon?
The Key West Half Marathon is 21km long.
Where does the Key West Half Marathon take place?
The Key West Half Marathon takes place in Key West, Florida, USA.
What is the elevation gain of the Key West Half Marathon?
Runna classifies the Key West Half Marathon elevation profile as Flat.
How can I prepare for the Key West Half Marathon?
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Key West Half Marathon?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
More
Sport:
Running
Tags:
Coastal
Major City
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Key West Half Marathon & Runfest or Key West Half Marathon & Runfest. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the Key West Half Marathon & Runfest website.
