The best running trails around Marathon
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Jogging around Marathon offers a unique experience across 13 islands, including Grassy Key, Fat Deer Key, and Vaca Key. The region is characterized by its flat terrain, tropical vegetation, and the constant presence of ocean breezes. Runners can explore a variety of landscapes, from paved coastal paths to nature trails winding through tropical hardwood hammocks and mangrove forests. The area provides numerous opportunities for outdoor activity, with routes offering views of the turquoise waters and diverse local wildlife.
Best jogging…
Last updated: April 28, 2026
35
runners
9.16km
00:57
10m
10m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
17
runners
13.4km
01:23
10m
10m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.0
(1)
11
runners
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
9
runners
11.8km
01:15
10m
10m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
8
runners
8.67km
00:53
0m
0m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Tips from the Community
One of the most beautiful beaches in the Florida Keys.
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Conch Key is a small community in the middle of the Florida Keys, covering approximately 5 acres. This area had only a few residents until around 1952, when the Coral Shores School opened—the first public school outside of Key West, creating a population boom. Conch Key features several motels and vacation rental spots, as well as a fantastic seafood restaurant with beautiful views from its dock area.
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The Long Key Bridge, officially the Dante B. Fascell Bridge, connects Long Key and Conch Key. Stretching nearly two and a half miles, it is the second longest bridge on the Overseas Highway, following the iconic Seven Mile Bridge. This bridge opened in 1982, replacing the original Long Key Viaduct, which was in use by the Overseas Railroad from 1907 to 1935 before being repurposed for highway traffic. As you walk along, you’ll notice the original viaduct adjacent to this bridge, featuring a design of 186 concrete arches. This style has been commonly used in many railroad bridges throughout the Keys.
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In the early 20th century Marathon was the center of shipping operations in the region. Ships from Havana and other Caribbean locations would dock near the railway to offload their goods to trains heading north. However, this would all come to end in 1935 when a large storm damaged the rail lines and the highway soon replaced the railroad.
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The Florida Keys Overseas Heritage Trail runs for 106 miles through the Florida Keys and crosses over 37 bridges. Along the way you'll pass by many State Parks, beaches, bars, restaurants, and marinas; and all of them will be beckoning you to stop and stay a while. On the right day this is one of the best places to ride in the world.
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Sombrero Beach is a quintessential Florida Keys beach. Soft white sand, crystal clear water, and plenty of facilities for your day at the beach. If you're biking out here, plan to stay a while.
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As on the last visit, the water was extremely high. At least we got to the water today - with a little effort!
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Occasionally on the way to Key West next to the bridges, which are now cycle paths, you will find legacies of the former railway line.
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Frequently Asked Questions
What types of running routes can I find in Marathon?
Marathon offers a diverse range of running experiences. You'll find everything from paved coastal paths with ocean views to nature trails winding through tropical hardwood hammocks and mangrove forests. The terrain is generally flat, making it suitable for various fitness levels.
How many running routes are available in the Marathon area?
There are over 10 dedicated running routes around Marathon listed on komoot. These routes cater to different preferences, from shorter, easier runs to more moderate, longer distances.
Are there any easy running routes for beginners in Marathon?
Yes, while most routes are rated moderate, there are options suitable for beginners. For instance, the 1.5-mile main looped trail at Crane Point Hammock is well-marked and suitable for all fitness levels, offering a gentle introduction to the area's natural beauty.
What natural features or landmarks can I see while running in Marathon?
Many routes offer stunning views of the turquoise ocean and lush tropical vegetation. You can encounter diverse wildlife, from various birds to marine life. Notable landmarks and features include the historic Seven Mile Bridge, sections of the Florida Keys Overseas Heritage Trail, and the pristine beaches like Sombrero Beach.
Are there circular running routes available in Marathon?
Yes, many of the popular running routes in Marathon are circular, offering convenient loops. Examples include the Sombrero Beach loop from Marathon and the Running loop from Key Colony Beach, allowing you to start and finish at the same point.
Is parking available near the running routes?
Yes, many popular running spots in Marathon offer parking. For example, areas like Curry Hammock State Park, Sombrero Beach, and Crane Point Hammock typically have designated parking facilities for visitors accessing their trails and amenities.
What do other runners enjoy most about jogging in Marathon?
The running routes in Marathon are highly rated by the komoot community, with an average score of 4.5 stars. Runners frequently praise the breathtaking ocean views, the unique island-hopping experience, and the variety of landscapes, from coastal paths to tranquil nature trails.
Are there any running routes that are particularly scenic?
Absolutely. The Sunset Park Beach loop from Stirrup Key offers exceptional coastal scenery and ocean vistas. Additionally, the Old Seven Mile Bridge, part of the Florida Keys Overseas Heritage Trail, provides stunning ocean views and a memorable experience over the shimmering waters.
Can I find longer running routes for endurance training?
Yes, Marathon offers several longer routes suitable for endurance training. The Sunset Park Beach loop from Stirrup Key is a moderate 9.1-mile (14.6 km) path, and combining Sombrero Beach Road with Sombrero Beach Boulevard can create a 6.7-mile loop. The Florida Keys Overseas Heritage Trail also provides extensive mileage for longer runs.
What is the best time of year to go running in Marathon?
Marathon's tropical climate makes it suitable for running year-round, but the cooler, drier months from November to April are generally preferred. During this period, temperatures are more moderate, and humidity is lower, providing more comfortable conditions for outdoor activities.
Are there any running paths suitable for families with children?
Yes, Crane Point Hammock features a 1.5-mile main looped trail that is suitable for all fitness levels, including families. It's a great way to explore tropical hardwood hammocks and mangrove forests in a safe and accessible environment.
Can I combine running with other activities like beach access?
Definitely. Many running routes, such as those around Sombrero Beach, allow for easy access to the beach for relaxation or a cool-down swim after your run. Curry Hammock State Park also offers trails with views of the ocean and a pristine beach.
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