Four Mile Run Trail

The full 19.6 km (12.2 miles) route, as mapped on komoot, typically takes around 2 hours and 2 minutes to jog. This duration can vary based on your pace and any stops you make along the way.

Yes, the trail is generally considered easy to easy/intermediate, making it suitable for a wide range of joggers, including beginners. While there are some short, steep sections, the overall elevation change is minimal, and it's described as 99% runnable.

The trail primarily features a well-maintained, paved asphalt surface. While mostly flat, you'll encounter some short hills and occasional steep sections. When jogging from west to east, the route is largely downhill. Be aware that some underpass sections might be slippery, and heavy rainfall can sometimes cause flooding in certain areas.

You can expect a varied and engaging landscape. The trail parallels the Four Mile Run stream, offering continuous scenic views of the creek. Much of it is wooded, providing shade and a blend of suburban parkland with riparian zones, which means seasonal visual changes from spring wildflowers to autumn foliage. You'll also pass through developed areas like Shirlington with restaurants, and near its eastern end, you can see planes taking off and landing near Ronald Reagan Washington National Airport and the Potomac River.

The trail offers seasonal visual changes, from spring wildflowers to autumn foliage, making it enjoyable throughout much of the year. However, due to its popularity, it can get crowded, especially in warmer months. Consider visiting during off-peak hours or seasons if you prefer a quieter experience.

Yes, a significant feature of this trail is its role as a vital regional connector. It links Falls Church, Arlington, and Alexandria, and seamlessly connects to other major paths such as the Washington & Old Dominion Trail, the Mount Vernon Trail, and the Bluemont Junction Trail. These connections are part of the larger 'Arlington Loop,' offering extensive options for longer runs and varied routes.

Yes, the trail is a popular shared-use path that accommodates a variety of users, including dog owners. Please ensure your dog is leashed and you follow all local regulations for pet waste.

No, there are no fees associated with using any part of the trail. It is a free and accessible fitness option for everyone.

The trail boasts multiple access points due to its proximity to urban centers, making it highly accessible for daily use. While specific parking lots aren't detailed, its urban location means street parking or public garages in nearby areas like Shirlington or along its length are often available. Public transport is also a viable option for access.

Due to its popularity, especially in warmer months, the trail can experience heavy foot and bike traffic. This is particularly true for the Four Mile Run Trail section. Additionally, construction projects can occasionally lead to detours onto nearby streets, so it's a good idea to check for local advisories before you head out.

As the trail parallels the Four Mile Run stream valley and passes through wooded areas and riparian zones, you might spot local wildlife. This could include various bird species, small mammals, and other creatures typical of urban green spaces.